diff --git a/src/interface/viewport.c b/src/interface/viewport.c
index 9f89645871..769d340b03 100644
--- a/src/interface/viewport.c
+++ b/src/interface/viewport.c
@@ -608,10 +608,9 @@ void viewport_render(rct_drawpixelinfo *dpi, rct_viewport *viewport, int left, i
 /**
 *
 *  rct2: 0x0068615B
-*  ebp: ebp
 */
-void sub_0x68615B(int ebp){
-	RCT2_GLOBAL(0xEE7888, uint32) = ebp;
+void painter_setup(){
+	RCT2_GLOBAL(0xEE7888, uint32) = 0x00EE788C;
 	RCT2_GLOBAL(0xF1AD28, uint32) = 0;
 	RCT2_GLOBAL(0xF1AD2C, uint32) = 0;
 	uint8* edi = RCT2_ADDRESS(0xF1A50C, uint8);
@@ -2200,7 +2199,7 @@ void viewport_paint(rct_viewport* viewport, rct_drawpixelinfo* dpi, int left, in
 		RCT2_GLOBAL(0xEE7880, uint32) = 0xF1A4CC;
 		RCT2_GLOBAL(0x140E9A8, uint32) = (int)dpi2;
 		int ebp = 0, ebx = 0, esi = 0, ecx = 0;
-		sub_0x68615B(0xEE788C); //Memory copy
+		painter_setup();
 		viewport_paint_setup();
 		sub_688217();
 		sub_688485();
@@ -2585,7 +2584,7 @@ void get_map_coordinates_from_pos(int screenX, int screenY, int flags, sint16 *x
 			dpi->width = 1;
 			RCT2_GLOBAL(0xEE7880, uint32_t) = 0xF1A4CC;
 			RCT2_GLOBAL(0x140E9A8, rct_drawpixelinfo*) = dpi;
-			sub_0x68615B(0xEE788C);
+			painter_setup();
 			viewport_paint_setup();
 			sub_688217();
 			sub_68862C();
diff --git a/src/interface/viewport.h b/src/interface/viewport.h
index f270b0cb94..aad675b6d9 100644
--- a/src/interface/viewport.h
+++ b/src/interface/viewport.h
@@ -127,7 +127,7 @@ void sub_68A15E(int screenX, int screenY, short *x, short *y, int *direction, rc
 void viewport_interaction_remove_park_entrance(rct_map_element *mapElement, int x, int y);
 
 void sub_68B2B7(int x, int y);
-void sub_0x68615B(int ebp);
+void painter_setup();
 void sub_688485();
 void sub_688217();
 
diff --git a/src/windows/ride_construction.c b/src/windows/ride_construction.c
index 4b418a4aa2..ed19902a9f 100644
--- a/src/windows/ride_construction.c
+++ b/src/windows/ride_construction.c
@@ -2185,7 +2185,7 @@ static void sub_6CBCE2(
 	trackDirection &= 3;
 
 	RCT2_GLOBAL(0x00EE7880, uint32) = 0x00F1A4CC;
-	sub_0x68615B(0x00EE788C);
+	painter_setup();
 
 	ride = GET_RIDE(rideIndex);