diff --git a/.github/workflows/build-targets.yml b/.github/workflows/build-targets.yml
index b20dd5ba..a9622202 100644
--- a/.github/workflows/build-targets.yml
+++ b/.github/workflows/build-targets.yml
@@ -149,11 +149,20 @@ jobs:
           declare -A target_shas
           declare -A target_build_directories
 
+          echo Detecting targets
+
           while IFS=':' read -r file src_dir; do
-              target="${file%-source_dirinfo.txt}"
-              target="${target##*/}"
+              if [[ ${{matrix.target == 'Windows'}} ]]; then
+                target="${file%-source_dirinfo.txt}"
+                target="${target##*\}"
+              else
+                target="${file%-source_dirinfo.txt}"
+                target="${target##*/}"
+              fi
+
+              echo $target $src_dir
 
-              sha=$(git -C "$src_dir" rev-parse HEAD)
+              sha=$(git -C "${src_dir}" rev-parse HEAD)
               target_shas[$target]=$sha
 
               build_directory="${file%%*/}"