diff --git a/gfx/drivers_context/cocoa_gl_ctx.m b/gfx/drivers_context/cocoa_gl_ctx.m
index 081aee1c06..9c75e88d08 100644
--- a/gfx/drivers_context/cocoa_gl_ctx.m
+++ b/gfx/drivers_context/cocoa_gl_ctx.m
@@ -155,6 +155,7 @@ static float get_from_selector(Class obj_class, id obj_id, SEL selector, CGFloat
     [invocation setTarget:obj_id];
     [invocation invoke];
     [invocation getReturnValue:ret];
+    [invocation release];
     return *ret;
 }