diff --git a/src/hardware/hw_main.c b/src/hardware/hw_main.c
index 3e113bd76..ecb7f7436 100644
--- a/src/hardware/hw_main.c
+++ b/src/hardware/hw_main.c
@@ -39,6 +39,7 @@
 #include "../f_finale.h"
 #include "../r_things.h" // R_GetShadowZ
 #include "../p_slopes.h"
+#include "../k_kart.h" // HITLAGJITTERS
 #include "hw_md2.h"
 
 #ifdef NEWCLIP
@@ -3645,7 +3646,7 @@ static void HWR_DrawDropShadow(mobj_t *thing, fixed_t scale)
 	// hitlag vibrating
 	if (thing->hitlag > 0 && (thing->eflags & MFE_DAMAGEHITLAG))
 	{
-		fixed_t mul = thing->hitlag * (FRACUNIT / 10);
+		fixed_t mul = thing->hitlag * HITLAGJITTERS;
 
 		if (leveltime & 1)
 		{
@@ -5064,7 +5065,7 @@ static void HWR_ProjectSprite(mobj_t *thing)
 	// hitlag vibrating
 	if (thing->hitlag > 0 && (thing->eflags & MFE_DAMAGEHITLAG))
 	{
-		fixed_t mul = thing->hitlag * (FRACUNIT / 10);
+		fixed_t mul = thing->hitlag * HITLAGJITTERS;
 
 		if (leveltime & 1)
 		{
diff --git a/src/hardware/hw_md2.c b/src/hardware/hw_md2.c
index 4b8d1de6f..69f00d898 100644
--- a/src/hardware/hw_md2.c
+++ b/src/hardware/hw_md2.c
@@ -45,6 +45,7 @@
 
 // SRB2Kart
 #include "../k_color.h"
+#include "../k_kart.h" // HITLAGJITTERS
 
 #ifdef HAVE_PNG
 
@@ -1374,7 +1375,7 @@ boolean HWR_DrawModel(gl_vissprite_t *spr)
 		// hitlag vibrating
 		if (spr->mobj->hitlag > 0 && (spr->mobj->eflags & MFE_DAMAGEHITLAG))
 		{
-			fixed_t mul = spr->mobj->hitlag * (FRACUNIT / 10);
+			fixed_t mul = spr->mobj->hitlag * HITLAGJITTERS;
 
 			if (leveltime & 1)
 			{
diff --git a/src/k_hud.c b/src/k_hud.c
index 25b437f5c..39ce118e8 100644
--- a/src/k_hud.c
+++ b/src/k_hud.c
@@ -3744,7 +3744,7 @@ static void K_drawKartFirstPerson(void)
 		// hitlag vibrating
 		if (stplyr->mo->hitlag > 0 && (stplyr->mo->eflags & MFE_DAMAGEHITLAG))
 		{
-			fixed_t mul = stplyr->mo->hitlag * (FRACUNIT / 10);
+			fixed_t mul = stplyr->mo->hitlag * HITLAGJITTERS;
 			if (r_splitscreen && mul > FRACUNIT)
 				mul = FRACUNIT;
 
diff --git a/src/k_kart.h b/src/k_kart.h
index 540e6845c..1efc5fb2f 100644
--- a/src/k_kart.h
+++ b/src/k_kart.h
@@ -20,6 +20,7 @@ Make sure this matches the actual number of states
 #define KART_NUMINVSPARKLESANIM 12
 
 #define MAXHITLAGTICS 18 //12
+#define HITLAGJITTERS (FRACUNIT / 32)
 
 player_t *K_GetItemBoxPlayer(mobj_t *mobj);
 angle_t K_ReflectAngle(angle_t angle, angle_t against, fixed_t maxspeed, fixed_t yourspeed);
diff --git a/src/r_things.c b/src/r_things.c
index defd02a5f..197100470 100644
--- a/src/r_things.c
+++ b/src/r_things.c
@@ -35,7 +35,6 @@
 #include "p_slopes.h"
 #include "d_netfil.h" // blargh. for nameonly().
 #include "m_cheat.h" // objectplace
-#include "k_color.h" // SRB2kart
 #include "p_local.h" // stplyr
 #ifdef HWRENDER
 #include "hardware/hw_md2.h"
@@ -44,6 +43,10 @@
 #include "hardware/hw_drv.h"
 #endif
 
+// SRB2kart
+#include "k_color.h"
+#include "k_kart.h" // HITLAGJITTERS
+
 #define MINZ (FRACUNIT*4)
 #define BASEYCENTER (BASEVIDHEIGHT/2)
 
@@ -1438,7 +1441,7 @@ static void R_ProjectSprite(mobj_t *thing)
 	// hitlag vibrating
 	if (thing->hitlag > 0 && (thing->eflags & MFE_DAMAGEHITLAG))
 	{
-		fixed_t mul = thing->hitlag * (FRACUNIT / 10);
+		fixed_t mul = thing->hitlag * HITLAGJITTERS;
 
 		if (leveltime & 1)
 		{