diff --git a/polymer/eduke32/build/src/mdsprite.c b/polymer/eduke32/build/src/mdsprite.c
index c95f5fb78..34a7f85d5 100644
--- a/polymer/eduke32/build/src/mdsprite.c
+++ b/polymer/eduke32/build/src/mdsprite.c
@@ -2834,7 +2834,7 @@ static voxmodel_t *vox2poly()
     memset(shcntmal,0,i); shcnt = &shcntmal[-shcntp-1];
     gmaxx = gmaxy = garea = 0;
 
-    if (pow2m1[32] != -1) { for (i=0; i<32; i++) pow2m1[i] = (1<<i)-1; pow2m1[32] = -1; }
+    if (pow2m1[32] != -1) { for (i=0; i<32; i++) pow2m1[i] = (1u<<i)-1; pow2m1[32] = -1; }
     for (i=0; i<7; i++) gvox->qfacind[i] = -1;
 
     i = ((max(ysiz,zsiz)+1)<<2);
diff --git a/polymer/eduke32/source/game.c b/polymer/eduke32/source/game.c
index 8f192c418..98e317212 100644
--- a/polymer/eduke32/source/game.c
+++ b/polymer/eduke32/source/game.c
@@ -177,7 +177,7 @@ static void G_DrawCameraText(int16_t i);
 GAME_STATIC GAME_INLINE int32_t G_MoveLoop(void);
 static void G_DoOrderScreen(void);
 
-#define quotepulseshade (sintable[(totalclock<<5)&2047]>>11)
+#define quotepulseshade (sintable[((uint32_t)totalclock<<5)&2047]>>11)
 
 int32_t althud_numbertile = 2930;
 int32_t althud_numberpal = 0;