diff --git a/metakube/provider_test.go b/metakube/provider_test.go
index 5edd208..acbe51e 100644
--- a/metakube/provider_test.go
+++ b/metakube/provider_test.go
@@ -71,6 +71,7 @@ func testAccPreCheckForOpenstack(t *testing.T) {
 	checkEnv(t, testEnvOpenstackImage)
 	checkEnv(t, testEnvOpenstackImage2)
 	checkEnv(t, testEnvOpenstackFlavor)
+	checkEnv(t, testEnvOpenstackAuthUrl)
 }
 
 func testAccPreCheckForAzure(t *testing.T) {
diff --git a/metakube/resource_metakube_cluster_validation.go b/metakube/resource_metakube_cluster_validation.go
index 81b3fa8..b6ded78 100644
--- a/metakube/resource_metakube_cluster_validation.go
+++ b/metakube/resource_metakube_cluster_validation.go
@@ -91,7 +91,7 @@ func metakubeResourceValidateVersionExistence(ctx context.Context, d *schema.Res
 	available := make([]string, 0)
 	for _, v := range r.Payload {
 		available = append(available, v.Version.(string))
-		if s, ok := v.Version.(string); ok && s == version {
+		if v.Version.(string) == version {
 			return nil
 		}
 	}