diff --git a/libraries/tools/kotlin-test-js-runner/src/KotlinTestsFilter.ts b/libraries/tools/kotlin-test-js-runner/src/KotlinTestsFilter.ts
index e6a6a7ec17f..4cec6913b42 100644
--- a/libraries/tools/kotlin-test-js-runner/src/KotlinTestsFilter.ts
+++ b/libraries/tools/kotlin-test-js-runner/src/KotlinTestsFilter.ts
@@ -137,7 +137,7 @@ export class ExactFilter implements KotlinTestsFilter {
         }
 
         // Exact filter by class name only
-        const regexp = RegExp(`^${escapeRegExp(this.fqn + ".")}\\w+$`);
+        const regexp = RegExp(`^${escapeRegExp(this.fqn + ".")}[^\.]+$`);
         return regexp.test(fqn)
     }
 }