diff --git a/include/arc/math/rectangle.h b/include/arc/math/rectangle.h
index 3c87235..577bf16 100644
--- a/include/arc/math/rectangle.h
+++ b/include/arc/math/rectangle.h
@@ -37,7 +37,7 @@ typedef struct ARC_FRect {
  * @param rect ARC_Rect to be centered
  * @param bounds ARC_Rect area to center rect on
  */
-void ARC_Rect_CenterOn(ARC_Rect *rect, ARC_Rect *bounds);
+void ARC_Rect_CenterOn(ARC_Rect *rect, ARC_Rect bounds);
 
 /**
  * @brief centers rect on given bounds
@@ -45,7 +45,7 @@ void ARC_Rect_CenterOn(ARC_Rect *rect, ARC_Rect *bounds);
  * @param rect ARC_FRect to be centered
  * @param bounds ARC_FRect area to center rect on
  */
-void ARC_FRect_CenterOn(ARC_FRect *rect, ARC_FRect *bounds);
+void ARC_FRect_CenterOn(ARC_FRect *rect, ARC_FRect bounds);
 
 /**
  * @brief casts Rect to FRect
diff --git a/src/math/rectangle.c b/src/math/rectangle.c
index 2a928cc..994ce91 100644
--- a/src/math/rectangle.c
+++ b/src/math/rectangle.c
@@ -4,14 +4,14 @@
 //VERY TEMP
 // #include <SDL.h>
 
-void ARC_Rect_CenterOn(ARC_Rect *rect, ARC_Rect *bounds){
-    rect->x = (bounds->x + (bounds->w / 2)) - (rect->w / 2);
-    rect->y = (bounds->y + (bounds->h / 2)) - (rect->h / 2);
+void ARC_Rect_CenterOn(ARC_Rect *rect, ARC_Rect bounds){
+    rect->x = (bounds.x + (bounds.w / 2)) - (rect->w / 2);
+    rect->y = (bounds.y + (bounds.h / 2)) - (rect->h / 2);
 }
 
-void ARC_FRect_CenterOn(ARC_FRect *rect, ARC_FRect *bounds){
-    rect->x = (bounds->x + (bounds->w / 2.0f)) - (rect->w / 2.0f);
-    rect->y = (bounds->y + (bounds->h / 2.0f)) - (rect->h / 2.0f);
+void ARC_FRect_CenterOn(ARC_FRect *rect, ARC_FRect bounds){
+    rect->x = (bounds.x + (bounds.w / 2.0f)) - (rect->w / 2.0f);
+    rect->y = (bounds.y + (bounds.h / 2.0f)) - (rect->h / 2.0f);
 }
 
 ARC_FRect ARC_Rect_CastToFRect(ARC_Rect rect){