diff --git a/setter/src/z80/filename.c b/setter/src/z80/filename.c
index c0098c2..0d709e5 100644
--- a/setter/src/z80/filename.c
+++ b/setter/src/z80/filename.c
@@ -46,7 +46,7 @@ void Filenames(const char* path)
 
     for(pos = 0; filenames[pos]; pos++)
     {
-        h   = fopen(filenames[pos], "w+");
+        h   = fopen(filenames[pos], "w");
         rc  = 0;
         wRc = 0;
         cRc = 0;
diff --git a/setter/src/z80/files.c b/setter/src/z80/files.c
index db58237..9c7cedc 100644
--- a/setter/src/z80/files.c
+++ b/setter/src/z80/files.c
@@ -48,8 +48,8 @@ void MillionFiles(const char* path)
         memset(filename, 0, 9);
         sprintf(filename, "%08ld", pos);
 
-        h = fopen(filename, "w+");
-        if(h == NULL) { break; }
+        h = fopen(filename, "w");
+        if(h == NULL) break;
 
         fclose(h);
     }