diff --git a/.github/workflows/adapter-code-coverage.yml b/.github/workflows/adapter-code-coverage.yml
index b4c3f0745d6..b5fbd557bb7 100644
--- a/.github/workflows/adapter-code-coverage.yml
+++ b/.github/workflows/adapter-code-coverage.yml
@@ -36,8 +36,9 @@ jobs:
               return ""
             }
             const helper = utils.diffHelper({github, context})
-            const files = await helper.getDirectories(directoryExtractor)
-            return files.length == 0 ? "" : JSON.stringify(files);
+            const directories = await helper.getDirectories(directoryExtractor)
+            // run coverage for maximum of 2 directories
+            return (directories.length == 0 || directories.length > 2) ? "" : JSON.stringify(directories)
 
       - name: Run coverage tests
         id: run_coverage