diff --git a/gfx/drivers_context/cocoa_gl_ctx.m b/gfx/drivers_context/cocoa_gl_ctx.m
index d796e848e0..58831b135f 100644
--- a/gfx/drivers_context/cocoa_gl_ctx.m
+++ b/gfx/drivers_context/cocoa_gl_ctx.m
@@ -310,7 +310,7 @@ static bool cocoagl_gfx_ctx_set_video_mode(void *data,
    return true;
 }
 
-void get_float_from_selector(RAScreen *screen, SEL selector, float *ret)
+static float cocoagl_gfx_ctx_get_scale_from_selector(RAScreen *screen, SEL selector, float *ret)
 {
     NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:
                                 [[screen class] instanceMethodSignatureForSelector:selector]];
@@ -318,6 +318,7 @@ void get_float_from_selector(RAScreen *screen, SEL selector, float *ret)
     [invocation setTarget:screen];
     [invocation invoke];
     [invocation getReturnValue:ret];
+    return *ret;
 }
 
 float cocoagl_gfx_ctx_get_native_scale(void)
@@ -336,10 +337,7 @@ float cocoagl_gfx_ctx_get_native_scale(void)
        return 0.0f;
     
    if ([screen respondsToSelector:selector])
-   {
-       get_float_from_selector(screen, selector, &ret);
-       return ret;
-   }
+       return cocoagl_gfx_ctx_get_scale_from_selector(screen, selector, &ret);
     
    ret = 1.0f;
    if ([screen respondsToSelector:@selector(scale)])
diff --git a/ui/drivers/ui_cocoa.m b/ui/drivers/ui_cocoa.m
index 4326a1bece..560330b77a 100644
--- a/ui/drivers/ui_cocoa.m
+++ b/ui/drivers/ui_cocoa.m
@@ -33,8 +33,7 @@
 
 static id apple_platform;
 
-extern void *get_chosen_screen(void);
-extern void get_float_from_selector(RAScreen *screen, SEL selector, float *ret);
+void *get_chosen_screen(void);
 
 void apple_rarch_exited(void)
 {
@@ -108,14 +107,13 @@ void apple_rarch_exited(void)
          {
             NSPoint pos;
             NSPoint mouse_pos;
-            float backing_scale_factor = 1.0f;
+            CGFloat backing_scale_factor = 1.0f;
 
 #if __has_feature(objc_arc)
             RAScreen *screen = (__bridge RAScreen*)get_chosen_screen();
 #else
             RAScreen *screen = (RAScreen*)get_chosen_screen();
 #endif
-            SEL selector     = NSSelectorFromString(BOXSTRING("backingScaleFactor"));
 
             apple = (cocoa_input_data_t*)input_driver_get_data();
             if (!apple)
@@ -127,8 +125,9 @@ void apple_rarch_exited(void)
             apple->mouse_rel_x = event.deltaX;
             apple->mouse_rel_y = event.deltaY;
 
-            if ([screen respondsToSelector:selector])
-               get_float_from_selector(screen, selector, &backing_scale_factor);
+#if MAC_OS_X_VERSION_10_7
+            backing_scale_factor = screen.backingScaleFactor;
+#endif
 
             /* Absolute */
             pos = [[CocoaView get] convertPoint:[event locationInWindow] fromView:nil];