diff --git a/script/static-checks/static-checks-detect-newly-added-files.sh b/script/static-checks/static-checks-detect-newly-added-files.sh
index 5b85ce6..008a147 100755
--- a/script/static-checks/static-checks-detect-newly-added-files.sh
+++ b/script/static-checks/static-checks-detect-newly-added-files.sh
@@ -60,7 +60,7 @@
   echo "# Check to detect whether newly added files are analysed by Coverity in the patch"
   TEST_CASE="Newly added files detection check for Coverity Scan analysis on patch(es)"
 # Extracting newly added source files added between commits.
-  git diff $(get_merge_base)..HEAD --name-only --diff-filter=A "*.c" &> "$TFA_PATCH_NEWFILES_LIST"
+  git diff ${merge_base}..HEAD --name-only --diff-filter=A "*.c" &> "$TFA_PATCH_NEWFILES_LIST"
   if [ -s "$TFA_PATCH_NEWFILES_LIST" ]
   then
     file_updation_report