diff --git a/source/sw/src/draw.cpp b/source/sw/src/draw.cpp
index 52fbb4d86..9e2db2810 100644
--- a/source/sw/src/draw.cpp
+++ b/source/sw/src/draw.cpp
@@ -750,8 +750,8 @@ analyzesprites(int viewx, int viewy, int viewz, SWBOOL mirror)
                 }
             }
 
-            // workaround for mines beneath the floor
-            if (tsp->picnum == BETTY_R0)
+            // workaround for mines and floor decals beneath the floor
+            if (tsp->picnum == BETTY_R0 || tsp->picnum == FLOORBLOOD1)
             {
                 auto sp = (uspriteptr_t)&sprite[SpriteNum];
                 int32_t const floorz = getflorzofslope(sp->sectnum, sp->x, sp->y);
diff --git a/source/sw/src/names2.h b/source/sw/src/names2.h
index 2c435e586..bb53340d8 100644
--- a/source/sw/src/names2.h
+++ b/source/sw/src/names2.h
@@ -1249,5 +1249,6 @@ enum STAT_ENUMS
 #define SCROLL 516
 #define SCROLL_FIRE 524
 
+#define FLOORBLOOD1 389
 
 #endif
diff --git a/source/sw/src/weapon.cpp b/source/sw/src/weapon.cpp
index ee8526349..dd5da7411 100644
--- a/source/sw/src/weapon.cpp
+++ b/source/sw/src/weapon.cpp
@@ -20840,7 +20840,6 @@ int QueueHole(short ang, short hit_sect, short hit_wall, int hit_x, int hit_y, i
     return SpriteNum;
 }
 
-#define FLOORBLOOD1 389
 #define FLOORBLOOD_RATE 30
 ANIMATOR DoFloorBlood;
 STATE s_FloorBlood1[] =