diff --git a/polymer/eduke32/build/src/engine.c b/polymer/eduke32/build/src/engine.c
index ab30c7d27..3a7934c24 100644
--- a/polymer/eduke32/build/src/engine.c
+++ b/polymer/eduke32/build/src/engine.c
@@ -8184,6 +8184,9 @@ int32_t setgamemode(char davidoption, int32_t daxdim, int32_t daydim, int32_t da
     j = bpp;
 
     if (setvideomode(daxdim,daydim,dabpp,davidoption) < 0) return(-1);
+    
+    // Workaround possible bugs in the GL driver
+    makeasmwriteable();
 
 #if defined(POLYMOST) && defined(USE_OPENGL)
     if (dabpp > 8) rendmode = glrendmode;    // GL renderer