diff --git a/tools/quake3/common/cmdlib.c b/tools/quake3/common/cmdlib.c
index a2045070..7a7c8da2 100644
--- a/tools/quake3/common/cmdlib.c
+++ b/tools/quake3/common/cmdlib.c
@@ -438,7 +438,7 @@ void SafeRead( FILE *f, void *buffer, int count ){
 
 
 void SafeWrite( FILE *f, const void *buffer, int count ){
-	if ( fwrite( buffer, 1, count, f ) != (size_t)count ) {
+	if ( buffer != NULL && fwrite( buffer, 1, count, f ) != (size_t)count ) {
 		Error( "File write failure" );
 	}
 }