diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index 873c98dab..3c1ea682e 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -26,7 +26,7 @@ jobs:
         with:
           submodules: true
       - name: Format with clang-format
-        run: .github/workflows/scripts/format_cpp.sh
+        run: sudo apt install moreutils && .github/workflows/scripts/format_cpp.sh
 
   CheckLicense:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/scripts/format_cpp.sh b/.github/workflows/scripts/format_cpp.sh
index c8a4ad61d..4e7ebb5c4 100755
--- a/.github/workflows/scripts/format_cpp.sh
+++ b/.github/workflows/scripts/format_cpp.sh
@@ -9,6 +9,6 @@ then
 fi
 
 # show changes if any
-git diff
+git --no-pager diff
 # fail if there is a diff, success otherwise
-! ( git diff |  grep -q ^ ) || exit 1
+git diff | ifne exit 1