diff --git a/frontend/src/app/providers/model-creation-provider.tsx b/frontend/src/app/providers/model-creation-provider.tsx
index 86caff8a..e182ea4f 100644
--- a/frontend/src/app/providers/model-creation-provider.tsx
+++ b/frontend/src/app/providers/model-creation-provider.tsx
@@ -53,7 +53,7 @@ export const FORM_VALIDATION_CONFIG = {
     minLength: 10,
   },
   tmsURL: {
-    pattern: TMS_URL_REGEX_PATTERN,
+    pattern: TMS_URL_REGEX_PATTERN.source,
   },
   modelDescription: {
     maxLength: 500,
diff --git a/frontend/src/utils/regex.ts b/frontend/src/utils/regex.ts
index 5b78ff2d..64e0e0bd 100644
--- a/frontend/src/utils/regex.ts
+++ b/frontend/src/utils/regex.ts
@@ -1 +1,2 @@
-export const TMS_URL_REGEX_PATTERN = /^https:\/\/.*\/\{z\}\/\{x\}\/\{y\}.*$/;
\ No newline at end of file
+export const TMS_URL_REGEX_PATTERN = /^https:\/\/.*\/\{z\}\/\{x\}\/\{y\}.*$/;
+