diff --git a/pkg/canary/deployment_controller.go b/pkg/canary/deployment_controller.go
index d0e1bd1a..d737b201 100644
--- a/pkg/canary/deployment_controller.go
+++ b/pkg/canary/deployment_controller.go
@@ -489,9 +489,12 @@ func (c *DeploymentController) appendPrimarySuffixToValuesIfNeeded(labelSelector
 				}
 			}
 		}
+
 		for key, value := range labelSelector.MatchLabels {
 			if contains(c.labels, key) {
-				labelSelector.MatchLabels[key] = value + "-primary"
+				if value == canaryDep.Name {
+					labelSelector.MatchLabels[key] = value + "-primary"
+				}
 			}
 		}
 	}