diff --git a/CHANGELOG.md b/CHANGELOG.md
index 01663533a..7de682090 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## [next]
 
+### Fixed
+
+- Fixed regexp escaping for auto-populated silence matchers #3936.
+
 ### Changed
 
 - Upgraded [Font Awesome](https://fontawesome.com/) icons to 6.0
diff --git a/ui/src/Components/SilenceModal/SilenceForm.test.tsx b/ui/src/Components/SilenceModal/SilenceForm.test.tsx
index 8935dba7a..f8fad7eae 100644
--- a/ui/src/Components/SilenceModal/SilenceForm.test.tsx
+++ b/ui/src/Components/SilenceModal/SilenceForm.test.tsx
@@ -110,7 +110,7 @@ describe("<SilenceForm /> matchers", () => {
           {
             label: "alertnameEqual",
             value: "alertnameEqual",
-            wasCreated: false,
+            wasCreated: true,
           },
         ],
       },
@@ -123,7 +123,7 @@ describe("<SilenceForm /> matchers", () => {
           {
             label: "alertnameNotEqual",
             value: "alertnameNotEqual",
-            wasCreated: false,
+            wasCreated: true,
           },
         ],
       },
@@ -136,7 +136,7 @@ describe("<SilenceForm /> matchers", () => {
           {
             label: ".*alertnameRegex.*",
             value: ".*alertnameRegex.*",
-            wasCreated: false,
+            wasCreated: true,
           },
         ],
       },
@@ -149,7 +149,7 @@ describe("<SilenceForm /> matchers", () => {
           {
             label: ".*alertnameNegativeRegex.*",
             value: ".*alertnameNegativeRegex.*",
-            wasCreated: false,
+            wasCreated: true,
           },
         ],
       },
@@ -162,7 +162,7 @@ describe("<SilenceForm /> matchers", () => {
           {
             label: "clusterEqual",
             value: "clusterEqual",
-            wasCreated: false,
+            wasCreated: true,
           },
         ],
       },
@@ -175,7 +175,7 @@ describe("<SilenceForm /> matchers", () => {
           {
             label: "clusterNotEqual",
             value: "clusterNotEqual",
-            wasCreated: false,
+            wasCreated: true,
           },
         ],
       },
@@ -188,7 +188,7 @@ describe("<SilenceForm /> matchers", () => {
           {
             label: ".*clusterRegex.*",
             value: ".*clusterRegex.*",
-            wasCreated: false,
+            wasCreated: true,
           },
         ],
       },
@@ -201,7 +201,7 @@ describe("<SilenceForm /> matchers", () => {
           {
             label: ".*clusterNegativeRegex.*",
             value: ".*clusterNegativeRegex.*",
-            wasCreated: false,
+            wasCreated: true,
           },
         ],
       },
@@ -214,7 +214,7 @@ describe("<SilenceForm /> matchers", () => {
           {
             label: "fooEqual",
             value: "fooEqual",
-            wasCreated: false,
+            wasCreated: true,
           },
         ],
       },
@@ -227,7 +227,7 @@ describe("<SilenceForm /> matchers", () => {
           {
             label: "fooNotEqual",
             value: "fooNotEqual",
-            wasCreated: false,
+            wasCreated: true,
           },
         ],
       },
@@ -240,7 +240,7 @@ describe("<SilenceForm /> matchers", () => {
           {
             label: ".*fooRegex.*",
             value: ".*fooRegex.*",
-            wasCreated: false,
+            wasCreated: true,
           },
         ],
       },
@@ -253,7 +253,7 @@ describe("<SilenceForm /> matchers", () => {
           {
             label: ".*fooNegativeRegex.*",
             value: ".*fooNegativeRegex.*",
-            wasCreated: false,
+            wasCreated: true,
           },
         ],
       },
@@ -300,7 +300,7 @@ describe("<SilenceForm /> matchers", () => {
           {
             label: "alertnameEqual",
             value: "alertnameEqual",
-            wasCreated: false,
+            wasCreated: true,
           },
         ],
       },
@@ -313,7 +313,7 @@ describe("<SilenceForm /> matchers", () => {
           {
             label: "alertnameNotEqual",
             value: "alertnameNotEqual",
-            wasCreated: false,
+            wasCreated: true,
           },
         ],
       },
@@ -326,7 +326,7 @@ describe("<SilenceForm /> matchers", () => {
           {
             label: ".*alertnameRegex.*",
             value: ".*alertnameRegex.*",
-            wasCreated: false,
+            wasCreated: true,
           },
         ],
       },
@@ -339,7 +339,7 @@ describe("<SilenceForm /> matchers", () => {
           {
             label: ".*alertnameNegativeRegex.*",
             value: ".*alertnameNegativeRegex.*",
-            wasCreated: false,
+            wasCreated: true,
           },
         ],
       },
@@ -352,7 +352,7 @@ describe("<SilenceForm /> matchers", () => {
           {
             label: "clusterEqual",
             value: "clusterEqual",
-            wasCreated: false,
+            wasCreated: true,
           },
         ],
       },
@@ -365,7 +365,7 @@ describe("<SilenceForm /> matchers", () => {
           {
             label: "clusterNotEqual",
             value: "clusterNotEqual",
-            wasCreated: false,
+            wasCreated: true,
           },
         ],
       },
@@ -378,7 +378,7 @@ describe("<SilenceForm /> matchers", () => {
           {
             label: ".*clusterRegex.*",
             value: ".*clusterRegex.*",
-            wasCreated: false,
+            wasCreated: true,
           },
         ],
       },
@@ -391,7 +391,7 @@ describe("<SilenceForm /> matchers", () => {
           {
             label: ".*clusterNegativeRegex.*",
             value: ".*clusterNegativeRegex.*",
-            wasCreated: false,
+            wasCreated: true,
           },
         ],
       },
@@ -404,7 +404,7 @@ describe("<SilenceForm /> matchers", () => {
           {
             label: "fooEqual",
             value: "fooEqual",
-            wasCreated: false,
+            wasCreated: true,
           },
         ],
       },
@@ -417,7 +417,7 @@ describe("<SilenceForm /> matchers", () => {
           {
             label: "fooNotEqual",
             value: "fooNotEqual",
-            wasCreated: false,
+            wasCreated: true,
           },
         ],
       },
@@ -430,7 +430,7 @@ describe("<SilenceForm /> matchers", () => {
           {
             label: ".*fooRegex.*",
             value: ".*fooRegex.*",
-            wasCreated: false,
+            wasCreated: true,
           },
         ],
       },
@@ -443,7 +443,7 @@ describe("<SilenceForm /> matchers", () => {
           {
             label: ".*fooNegativeRegex.*",
             value: ".*fooNegativeRegex.*",
-            wasCreated: false,
+            wasCreated: true,
           },
         ],
       },
diff --git a/ui/src/Components/SilenceModal/SilenceForm.tsx b/ui/src/Components/SilenceModal/SilenceForm.tsx
index a6b599d25..2cc0f86ae 100644
--- a/ui/src/Components/SilenceModal/SilenceForm.tsx
+++ b/ui/src/Components/SilenceModal/SilenceForm.tsx
@@ -123,11 +123,15 @@ const SilenceForm: FC<{
               f.matcher === QueryOperators.Regex ||
               f.matcher === QueryOperators.NegativeRegex
             ) {
-              matcher.values = [StringToOption(`.*${f.value}.*`)];
+              matcher.values = [
+                { ...StringToOption(`.*${f.value}.*`), wasCreated: true },
+              ];
               matcher.isRegex = true;
               matcher.isEqual = f.matcher === QueryOperators.Regex;
             } else {
-              matcher.values = [StringToOption(f.value)];
+              matcher.values = [
+                { ...StringToOption(f.value), wasCreated: true },
+              ];
               matcher.isEqual = f.matcher === QueryOperators.Equal;
             }
             silenceFormStore.data.addMatcherWithID(matcher);