diff --git a/src/gl/scene/gl_weapon.cpp b/src/gl/scene/gl_weapon.cpp
index cfa5c05d7..a2a12f947 100644
--- a/src/gl/scene/gl_weapon.cpp
+++ b/src/gl/scene/gl_weapon.cpp
@@ -129,19 +129,20 @@ void FGLRenderer::DrawPSprite (player_t * player,DPSprite *psp, float sx, float
 	y1 = viewwindowy + vh / 2 - (ftexturemid * scale);
 	y2 = y1 + (r.height * scale) + 1;
 
-	if (!mirror)
+	if (!(mirror) != !(psp->Flags & PSPF_FLIP))
 	{
-		fU1=tex->GetSpriteUL();
-		fV1=tex->GetSpriteVT();
-		fU2=tex->GetSpriteUR();
-		fV2=tex->GetSpriteVB();
+		fU2 = tex->GetSpriteUL();
+		fV1 = tex->GetSpriteVT();
+		fU1 = tex->GetSpriteUR();
+		fV2 = tex->GetSpriteVB();
 	}
 	else
 	{
-		fU2=tex->GetSpriteUL();
-		fV1=tex->GetSpriteVT();
-		fU1=tex->GetSpriteUR();
-		fV2=tex->GetSpriteVB();
+		fU1 = tex->GetSpriteUL();
+		fV1 = tex->GetSpriteVT();
+		fU2 = tex->GetSpriteUR();
+		fV2 = tex->GetSpriteVB();
+		
 	}
 
 	if (tex->GetTransparent() || OverrideShader != -1)
diff --git a/src/p_pspr.h b/src/p_pspr.h
index c0a695e04..084fe8fce 100644
--- a/src/p_pspr.h
+++ b/src/p_pspr.h
@@ -57,6 +57,7 @@ enum PSPFlags
 	PSPF_ADDBOB		= 1 << 1,
 	PSPF_POWDOUBLE	= 1 << 2,
 	PSPF_CVARFAST	= 1 << 3,
+	PSPF_FLIP		= 1 << 6,
 };
 
 class DPSprite : public DObject
diff --git a/src/r_things.cpp b/src/r_things.cpp
index 8e306e04f..dbe66da5e 100644
--- a/src/r_things.cpp
+++ b/src/r_things.cpp
@@ -1422,7 +1422,7 @@ void R_DrawPSprite(DPSprite *pspr, AActor *owner, float bobx, float boby, double
 	vis->pic = tex;
 	vis->Style.ColormapNum = 0;
 
-	if (flip)
+	if (!(flip) != !(pspr->Flags & PSPF_FLIP))
 	{
 		vis->xiscale = -FLOAT2FIXED(pspritexiscale * tex->Scale.X);
 		vis->startfrac = (tex->GetWidth() << FRACBITS) - 1;
diff --git a/wadsrc/static/actors/constants.txt b/wadsrc/static/actors/constants.txt
index dce2488c2..df3bb860b 100644
--- a/wadsrc/static/actors/constants.txt
+++ b/wadsrc/static/actors/constants.txt
@@ -598,6 +598,7 @@ enum
 	PSPF_ADDBOB		= 1 << 1,
 	PSPF_POWDOUBLE	= 1 << 2,
 	PSPF_CVARFAST	= 1 << 3,
+	PSPF_FLIP		= 1 << 6,
 };
 
 // Default psprite layers