diff --git a/ResourceFiles/ResourceFile.cc b/ResourceFiles/ResourceFile.cc
index b516c735c5..cf8ea7a611 100644
--- a/ResourceFiles/ResourceFile.cc
+++ b/ResourceFiles/ResourceFile.cc
@@ -490,6 +490,8 @@ bool ResourceFile::write()
 
 				hfs_format(pathstring.c_str(), 0, 0, path.stem().string().substr(0,27).c_str(), 0, NULL);
 				hfsvol *vol = hfs_mount(pathstring.c_str(), 0, HFS_MODE_RDWR);
+				if(!vol)
+					return false;
 				//hfs_setvol(vol, )
 				hfsfile *file = hfs_create(vol, (path.stem().string().substr(0,31)).c_str(),
 										   ((std::string)type).c_str(), ((std::string)creator).c_str());