diff --git a/src/r_things.cpp b/src/r_things.cpp
index 3d0ce269e..b4ee5edbb 100644
--- a/src/r_things.cpp
+++ b/src/r_things.cpp
@@ -2071,7 +2071,7 @@ void R_DrawSprite (vissprite_t *spr)
 	// [RH] rewrote this to be based on which part of the sector is really visible
 
 	double scale = InvZtoScale * spr->idepth;
-	double hzb = DBL_MIN, hzt = DBL_MAX;
+	double hzb = -DBL_MAX, hzt = DBL_MAX;
 
 	if (spr->bIsVoxel && spr->floorclip != 0)
 	{