diff --git a/scripts/acov-llvm.py b/scripts/acov-llvm.py
index 7c4d69adb..601a33ee8 100755
--- a/scripts/acov-llvm.py
+++ b/scripts/acov-llvm.py
@@ -195,6 +195,8 @@ def do_report(args):
         '--show-region-summary=false'
     ] + object_flags + source_dirs)
 
+    check_output(['chmod', '+rx', temp_dir])
+
     print(f'Coverage report data written in {output_dir}')