diff --git a/.changelog/5295.txt b/.changelog/5295.txt
new file mode 100644
index 00000000000..c6016a3c986
--- /dev/null
+++ b/.changelog/5295.txt
@@ -0,0 +1,3 @@
+```release-note:bug
+container: fixed a crash on `monitoring_config` of `google_container_cluster`
+```
diff --git a/google/resource_container_cluster.go b/google/resource_container_cluster.go
index b9d72030b5c..7ce2705e735 100644
--- a/google/resource_container_cluster.go
+++ b/google/resource_container_cluster.go
@@ -3047,7 +3047,7 @@ func expandMonitoringConfig(configured interface{}) *containerBeta.MonitoringCon
 	config := l[0].(map[string]interface{})
 	return &containerBeta.MonitoringConfig{
 		ComponentConfig: &containerBeta.MonitoringComponentConfig{
-			EnableComponents: config["enable_components"].([]string),
+			EnableComponents: convertStringArr(config["enable_components"].([]interface{})),
 		},
 	}
 }