diff --git a/src/hardware/hw_main.c b/src/hardware/hw_main.c
index e301d99f5..8cb71bfe7 100644
--- a/src/hardware/hw_main.c
+++ b/src/hardware/hw_main.c
@@ -5143,7 +5143,7 @@ static void HWR_ProjectSprite(mobj_t *thing)
 
 		INT32 flipsign = ((flip && papersprite) ? -1 : 1); // Flip OGL affine papersprites for Software parity
 
-		angle = spriterotangle * flipsign;
+		angle = R_ConvToRollAngle(spriterotangle) * flipsign;
 
 		const fixed_t rolloffs_x = FixedDiv(interptarg->rollingxoffset, highresscale) * (((thing->renderflags & RF_FLIPOFFSETS) && flip) ? -1 : 1);
 		const fixed_t rolloffs_y = FixedDiv(interptarg->rollingyoffset, highresscale);
diff --git a/src/r_main.cpp b/src/r_main.cpp
index 77f004feb..c41e79d3b 100644
--- a/src/r_main.cpp
+++ b/src/r_main.cpp
@@ -197,6 +197,8 @@ consvar_t cv_sliptidetilt = CVAR_INIT ("sliptidetilt", "On", CV_SAVE, CV_OnOff,
 consvar_t cv_nulldriftefx = CVAR_INIT ("nulldriftefx", "On", CV_SAVE, CV_OnOff, NULL);
 consvar_t cv_nulldrifttilt = CVAR_INIT ("nulldrifttilt", "On", CV_SAVE, CV_OnOff, NULL);
 
+consvar_t cv_fakerollangle = CVAR_INIT ("fakerollangle", "Off", CV_SAVE, CV_OnOff, NULL);
+
 static CV_PossibleValue_t affineangle_cons_t[] = {{0, "MIN"}, {360 * FRACUNIT, "MAX"}, {0, NULL}};
 static CV_PossibleValue_t affinetest_cons_t[] = {{0, "Off"}, {1, "On"}, {2, "Auto"}, {0, NULL}};
 
@@ -1807,6 +1809,7 @@ void R_RegisterEngineStuff(void)
 	CV_RegisterVar(&cv_sliptidetilt);
 	CV_RegisterVar(&cv_nulldriftefx);
 	CV_RegisterVar(&cv_nulldrifttilt);
+	CV_RegisterVar(&cv_fakerollangle);
 
 	CV_RegisterVar(&cv_showhud);
 	CV_RegisterVar(&cv_translucenthud);
diff --git a/src/r_main.h b/src/r_main.h
index 57889b115..b8a62812d 100644
--- a/src/r_main.h
+++ b/src/r_main.h
@@ -161,6 +161,8 @@ extern consvar_t cv_sloperoll;
 extern consvar_t cv_sliptidetilt;
 extern consvar_t cv_nulldriftefx, cv_nulldrifttilt;
 
+extern consvar_t cv_fakerollangle;
+
 // debugging
 
 typedef enum {
diff --git a/src/r_patch.h b/src/r_patch.h
index d23280c91..4ae365f58 100644
--- a/src/r_patch.h
+++ b/src/r_patch.h
@@ -58,6 +58,7 @@ vector2_t* R_RotateSpriteOffsetsByPitchRoll(
 	interpmobjstate_t *interp, 
 	vector2_t* out,
 	vector2_t* rolloffs);
+angle_t R_ConvToRollAngle(angle_t ang);
 #endif
 
 #ifdef __cplusplus
diff --git a/src/r_patchrotation.c b/src/r_patchrotation.c
index e12e720ac..ca854dcaf 100644
--- a/src/r_patchrotation.c
+++ b/src/r_patchrotation.c
@@ -147,6 +147,12 @@ INT32 R_GetRollAngle(angle_t rollangle)
 
 #define VISROTMUL (ANG1 * ROTANGDIFF)
 
+// Simulates "rollangle" angling
+angle_t R_ConvToRollAngle(angle_t ang)
+{
+	return (cv_fakerollangle.value) ? (R_GetRollAngle(ang) * VISROTMUL) : ang;
+}
+
 vector2_t* R_RotateSpriteOffsetsByPitchRoll(
 	mobj_t* mobj,
 	boolean vflip,
diff --git a/src/r_things.cpp b/src/r_things.cpp
index 7ce247153..aa004d90f 100644
--- a/src/r_things.cpp
+++ b/src/r_things.cpp
@@ -2326,7 +2326,7 @@ static void R_ProjectSprite(mobj_t *thing)
 
 		INT32 flipsign = ((flip) ? -1 : 1);
 
-		angle = spriterotangle * flipsign;
+		angle = R_ConvToRollAngle(spriterotangle) * flipsign;
 
 		const fixed_t rolloffs_x = FixedDiv(interptarg->rollingxoffset, highresscale) * (((thing->renderflags & RF_FLIPOFFSETS) && flip) ? -1 : 1);
 		const fixed_t rolloffs_y = FixedDiv(interptarg->rollingyoffset, highresscale);