diff --git a/.github/actions/simeng_benchmarks/action.yml b/.github/actions/simeng_benchmarks/action.yml
index 4504b1ce71..16a0117e06 100644
--- a/.github/actions/simeng_benchmarks/action.yml
+++ b/.github/actions/simeng_benchmarks/action.yml
@@ -20,13 +20,22 @@ runs:
       run: |
         cd ${{ inputs.RUN_DIR }}
         simeng $GITHUB_WORKSPACE/configs/a64fx.yaml ${{ inputs.BIN_PATH }} 2>&1 tee $GITHUB_WORKSPACE/simeng.tmp
-        if grep -e ${{ inputs.PASS_STRING }} $GITHUB_WORKSPACE/simeng.tmp; then
-          echo "Passed"
-        else
-          echo "Failed"
-          exit 1
-        fi
+        python3 -c "
+            import os
 
+            file_path = $GITHUB_WORKSPACE/simeng.tmp
+
+            if not os.path.exists(file_path):
+              print(f'File not found: {file_path}')
+              exit(1)
+
+            with open(file_path, 'r') as f:
+              if ${{ PASS_STRING }} in f.read():
+                print('Passed')
+              else:
+                print('Failed')
+                exit(1)
+          "
 #
 #    "name": "CloverLeaf serial gcc8.3.0 armv8.4",
 #    "run_from": "$SIMENG_BENCHMARKS_SRC_DIR/Data_Files/CloverLeaf",