diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 15824be..76e1202 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -132,8 +132,10 @@ jobs:
         dist_dir=`pwd`/dist
         name=$bin-$version-$target
         executable=target/$target/release/$bin
-        if [[ "$RUNNER_OS" == "Windows" || "$RUNNER_OS" == "Linux" ]]; then
+        if [[ "$RUNNER_OS" == "Windows" ]]; then
           upx --ultra-brute $executable.exe
+        elif [["$RUNNER_OS" == "Linux"]]; then
+          upx --ultra-brute $executable
         fi
         if [[ "$RUNNER_OS" == "Windows" ]]; then
           executable=$executable.exe