diff --git a/rcbasic_runtime/rc_spritelib.h b/rcbasic_runtime/rc_spritelib.h
index 0796d64..31037f1 100644
--- a/rcbasic_runtime/rc_spritelib.h
+++ b/rcbasic_runtime/rc_spritelib.h
@@ -787,19 +787,20 @@ bool rc_spriteIsVisible(int spr_id)
 	return rc_sprite[spr_id].visible;
 }
 
-void rc_setSpriteGravity(double x, double y)
+void rc_setGravity2d(double x, double y)
 {
     if(rc_active_canvas < 0 || rc_active_canvas >= rc_canvas.size())
         return;
 
-    if(rc_canvas[rc_active_canvas].type != RC_CANVAS_TYPE_SPRITE)
+    if(rc_canvas[r].type != RC_CANVAS_TYPE_SPRITE)
         return;
 
     b2Vec2 gravity(x, y);
-    b2World(gravity);
+    rc_canvas[rc_active_canvas].physics2D.world.SetGravity(gravity);
+
 }
 
-void rc_getSpriteGravity(double* x, double* y)
+void rc_getGravity2d(double* x, double* y)
 {
     if(rc_active_canvas < 0 || rc_active_canvas >= rc_canvas.size())
         return;
@@ -810,8 +811,8 @@ void rc_getSpriteGravity(double* x, double* y)
     *x = 0;
     *y = 0;
 
-    *x = b2World.GetGravity().x;
-    *y = b2World.GetGravity().y;
+    *x = rc_canvas[rc_active_canvas].physics2D.world.GetGravity().x;
+    *y = rc_canvas[rc_active_canvas].physics2D.world.GetGravity().y;
 }