diff --git a/.github/actions/simeng_benchmarks/action.yml b/.github/actions/simeng_benchmarks/action.yml
index e75bd74ef4..8c76bc3546 100644
--- a/.github/actions/simeng_benchmarks/action.yml
+++ b/.github/actions/simeng_benchmarks/action.yml
@@ -20,7 +20,7 @@ runs:
       run: |
         cd ${{ inputs.RUN_DIR }}
         simeng $GITHUB_WORKSPACE/configs/a64fx.yaml ${{ inputs.BIN_PATH }} 2>&1 tee $GITHUB_WORKSPACE/simeng.tmp
-        if (grep -sE *${{ inputs.PASS_STRING }}* $GITHUB_WORKSPACE/simeng.tmp); then
+        if (grep -sE \W*(${{ inputs.PASS_STRING }})\W* $GITHUB_WORKSPACE/simeng.tmp); then
           echo "Passed"
         else
           echo "Failed"