diff --git a/x-pack/plugins/synthetics/server/synthetics_service/formatters/formatting_utils.test.ts b/x-pack/plugins/synthetics/server/synthetics_service/formatters/formatting_utils.test.ts
index 2fa915e21d070..84e073731aef2 100644
--- a/x-pack/plugins/synthetics/server/synthetics_service/formatters/formatting_utils.test.ts
+++ b/x-pack/plugins/synthetics/server/synthetics_service/formatters/formatting_utils.test.ts
@@ -20,6 +20,26 @@ describe('replaceStringWithParams', () => {
     expect(result).toEqual('https://elastic.co');
   });
 
+  it('works with dashes in the key', () => {
+    const result = replaceStringWithParams(
+      '${home-page-url}',
+      { 'home-page-url': 'https://elastic.co' },
+      logger
+    );
+
+    expect(result).toEqual('https://elastic.co');
+  });
+
+  it('works with . in the key', () => {
+    const result = replaceStringWithParams(
+      '${home.pageUrl}',
+      { 'home.pageUrl': 'https://elastic.co' },
+      logger
+    );
+
+    expect(result).toEqual('https://elastic.co');
+  });
+
   it('returns empty value in case no param', () => {
     const result = replaceStringWithParams('${homePageUrl}', {}, logger);
 
diff --git a/x-pack/plugins/synthetics/server/synthetics_service/formatters/formatting_utils.ts b/x-pack/plugins/synthetics/server/synthetics_service/formatters/formatting_utils.ts
index d06725b21421e..57d742d08deb0 100644
--- a/x-pack/plugins/synthetics/server/synthetics_service/formatters/formatting_utils.ts
+++ b/x-pack/plugins/synthetics/server/synthetics_service/formatters/formatting_utils.ts
@@ -50,9 +50,10 @@ export const replaceStringWithParams = (
   return value as string | null;
 };
 
+const SHELL_PARAMS_REGEX = /\$\{[a-zA-Z_][a-zA-Z0-9\._\-?:]*\}/g;
+
 export const hasNoParams = (strVal: string) => {
-  const shellParamsRegex = /\$\{[a-zA-Z_][a-zA-Z0-9_]*\}/g;
-  return strVal.match(shellParamsRegex) === null;
+  return strVal.match(SHELL_PARAMS_REGEX) === null;
 };
 
 export const secondsToCronFormatter: FormatterFn = (fields, key) => {