diff --git a/src/init.c b/src/init.c
index 6cd16a76..20e9bd19 100644
--- a/src/init.c
+++ b/src/init.c
@@ -545,9 +545,10 @@ GLFWAPI GLFWerrorfun glfwSetErrorCallback(GLFWerrorfun cbfun)
 
 GLFWAPI GLFWtheme* glfwGetSystemDefaultTheme()
 {
+    _GLFWtheme* theme;
     _GLFW_REQUIRE_INIT_OR_RETURN(NULL);
     
-    _GLFWtheme* theme = _glfw.platform.getSystemDefaultTheme();
+    theme = _glfw.platform.getSystemDefaultTheme();
     assert(theme->variation != GLFW_THEME_DEFAULT);
     
     return (GLFWtheme*) theme;