diff --git a/build-scripts/clang-tidy.sh b/build-scripts/clang-tidy.sh
index 413659d37cd6d..1e30f86a297ba 100755
--- a/build-scripts/clang-tidy.sh
+++ b/build-scripts/clang-tidy.sh
@@ -121,14 +121,16 @@ else
     fi
 fi
 
+printf "Subset to analyze: %s\n" "$CATA_CLANG_TIDY_SUBSET"
+
 # We might need to analyze only a subset of the files if they have been split
 # into multiple jobs for efficiency
 case "$CATA_CLANG_TIDY_SUBSET" in
     ( src )
-        tidyable_cpp_files=$(printf '%s\n' "$tidyable_cpp_files" | grep '^src/')
+        tidyable_cpp_files=$(printf '%s\n' "$tidyable_cpp_files" | grep '/src/')
         ;;
     ( other )
-        tidyable_cpp_files=$(printf '%s\n' "$tidyable_cpp_files" | grep -v '^src/')
+        tidyable_cpp_files=$(printf '%s\n' "$tidyable_cpp_files" | grep -v '/src/')
         ;;
 esac