diff --git a/controllers/suite_test.go b/controllers/suite_test.go
index 6c6b632f..e6361122 100644
--- a/controllers/suite_test.go
+++ b/controllers/suite_test.go
@@ -58,7 +58,7 @@ const (
 	username2 = "test-user2"
 	password2 = "4zotzqDqXKasLFT2jzTs"
 
-	annotationRegExpString = "^operator.1password.io\\/[a-zA-Z\\.]+"
+	annotationRegExpString = "^operator\.1password\.io\\/[a-zA-Z\\.]+"
 )
 
 // Define utility constants for object names and testing timeouts/durations and intervals.
diff --git a/main.go b/main.go
index 7f1e7c97..2491191d 100644
--- a/main.go
+++ b/main.go
@@ -68,7 +68,7 @@ const (
 	restartDeploymentsEnvVariable = "AUTO_RESTART"
 	defaultPollingInterval        = 600
 
-	annotationRegExpString = "^operator.1password.io\\/[a-zA-Z\\.]+"
+	annotationRegExpString = "^operator\.1password\.io\\/[a-zA-Z\\.]+"
 )
 
 // Change below variables to serve metrics on different host or port.