diff --git a/ref/gl/gl_opengl.c b/ref/gl/gl_opengl.c
index 8ebace5c..458ac74d 100644
--- a/ref/gl/gl_opengl.c
+++ b/ref/gl/gl_opengl.c
@@ -1351,12 +1351,12 @@ obsolete
 */
 void GL_CheckForErrors_( const char *filename, const int fileline )
 {
-	int	err;
-
-	if( !gl_check_errors.value )
+	if( !gl_check_errors.value || !gpGlobals->developer )
 		return;
 
-	if(( err = pglGetError( )) == GL_NO_ERROR )
+	int err = pglGetError( );
+
+	if( err == GL_NO_ERROR )
 		return;
 
 	gEngfuncs.Con_Printf( S_OPENGL_ERROR "%s (at %s:%i)\n", GL_ErrorString( err ), filename, fileline );