diff --git a/src/V3Options.cpp b/src/V3Options.cpp
index 41df829fd..baaaab576 100644
--- a/src/V3Options.cpp
+++ b/src/V3Options.cpp
@@ -493,7 +493,10 @@ string V3Options::fileExists(const string& filename) {
         try {
             for (const auto& dirEntry : std::filesystem::directory_iterator(dir.c_str()))
                 setp->insert(dirEntry.path().filename().string());
-        } catch (std::filesystem::filesystem_error const& ex) { (void)ex; return ""; }
+        } catch (std::filesystem::filesystem_error const& ex) {
+            (void)ex;
+            return "";
+        }
 #else
         if (DIR* const dirp = opendir(dir.c_str())) {
             while (struct dirent* direntp = readdir(dirp)) setp->insert(direntp->d_name);