diff --git a/src/platform/PlatformUtils-mac.mm b/src/platform/PlatformUtils-mac.mm
index 46511e6234..d91e42b692 100644
--- a/src/platform/PlatformUtils-mac.mm
+++ b/src/platform/PlatformUtils-mac.mm
@@ -28,7 +28,7 @@
 
 std::string PlatformUtils::userConfigPath()
 {
-  NSError *error;
+  NSError *error = nullptr;
   NSURL *appSupportDir = [[NSFileManager defaultManager] URLForDirectory:NSApplicationSupportDirectory inDomain:NSUserDomainMask appropriateForURL:nil create:YES error:&error];
   if (error) {
     return "";