diff --git a/src/hardware/hw_main.c b/src/hardware/hw_main.c
index a656d3254..59aee511e 100644
--- a/src/hardware/hw_main.c
+++ b/src/hardware/hw_main.c
@@ -4774,7 +4774,7 @@ static void HWR_ProjectSprite(mobj_t *thing)
 	&& !(splat && !(thing->renderflags & RF_NOSPLATROLLANGLE)))
 	{
 		rollangle = R_GetRollAngle(vflip
-				? InvAngle(spriterotangle) : spriterotangle);
+				? spriterotangle : InvAngle(spriterotangle));
 		rotsprite = Patch_GetRotatedSprite(sprframe, (thing->frame & FF_FRAMEMASK), rot, flip, false, sprinfo, rollangle);
 
 		if (rotsprite != NULL)