diff --git a/source/build/src/common.cpp b/source/build/src/common.cpp
index ba04de340..87026a1b7 100644
--- a/source/build/src/common.cpp
+++ b/source/build/src/common.cpp
@@ -244,7 +244,7 @@ void COMMON_clearbackground(int32_t numcols, int32_t numrows)
     UNREFERENCED_PARAMETER(numcols);
 
 # ifdef USE_OPENGL
-    if (getrendermode() >= REND_POLYMOST && qsetmode==200)
+    if (getrendermode() >= REND_POLYMOST && in3dmode())
     {
 //        glPushAttrib(GL_FOG_BIT);
         polymost_setFogEnabled(false);
diff --git a/source/duke3d/src/osdfuncs.cpp b/source/duke3d/src/osdfuncs.cpp
index 0241fb0f7..48e7e3625 100644
--- a/source/duke3d/src/osdfuncs.cpp
+++ b/source/duke3d/src/osdfuncs.cpp
@@ -142,7 +142,7 @@ void GAME_clearbackground(int32_t numcols, int32_t numrows)
     UNREFERENCED_PARAMETER(numcols);
 
 # ifdef USE_OPENGL
-    if (getrendermode() >= REND_POLYMOST && qsetmode==200)
+    if (getrendermode() >= REND_POLYMOST && in3dmode())
     {
         const int32_t i8n8 = OSD_SCALE(OSDCHAR_HEIGHT*numrows);
 //        glPushAttrib(GL_FOG_BIT);