diff --git a/src/ptk.c b/src/ptk.c
index bf03b96..f924e02 100644
--- a/src/ptk.c
+++ b/src/ptk.c
@@ -24,11 +24,6 @@
 
 // TODO: clean up globals here
 
-static void framebuffer_resize_callback(GLFWwindow *window, int width, int height) {
-    (void)window; (void)width; (void)height;
-    g_framebuffer_resized = true;
-}
-
 static void key_callback(GLFWwindow *window, int key, int scancode, int action, int mods) {
     (void)window; (void)scancode; (void)action; (void)mods;
     if (key == GLFW_KEY_SPACE) {
@@ -119,7 +114,7 @@ bool ptk_init(const size_t width, const size_t height, const char *title, const
         return false;
     }
 
-    glfwSetFramebufferSizeCallback(g_window, framebuffer_resize_callback);
+    glfwSetFramebufferSizeCallback(g_window, vk_framebuffer_resized);
     glfwSetKeyCallback(g_window, key_callback);
     glfwSetMouseButtonCallback(g_window, mouse_button_callback);
 
diff --git a/src/ptk_vk/draw.c b/src/ptk_vk/draw.c
index efc6459..ec2187c 100644
--- a/src/ptk_vk/draw.c
+++ b/src/ptk_vk/draw.c
@@ -13,9 +13,14 @@
 
 // TODO: clean up globals here
 
-bool g_framebuffer_resized = false;
+bool m_framebuffer_resized = false;
 uint32_t g_current_frame = 0;
 
+void vk_framebuffer_resized(GLFWwindow *window, int width, int height) {
+    (void)window; (void)width; (void)height;
+    m_framebuffer_resized = true;
+}
+
 bool vk_draw_frame(void) {
     vkWaitForFences(g_dev, 1, &g_in_flight_fences.data[g_current_frame], VK_TRUE, UINT64_MAX);
 
@@ -84,9 +89,9 @@ bool vk_draw_frame(void) {
     if (
         queue_present_result == VK_ERROR_OUT_OF_DATE_KHR ||
         queue_present_result == VK_SUBOPTIMAL_KHR ||
-        g_framebuffer_resized
+        m_framebuffer_resized
     ) {
-        g_framebuffer_resized = false;
+        m_framebuffer_resized = false;
         if (!vk_recreate_swapchain(g_window, g_physical_dev, g_surface, g_render_pass)) {
             return false;
         }
diff --git a/src/ptk_vk/draw.h b/src/ptk_vk/draw.h
index 2caacfa..554cf55 100644
--- a/src/ptk_vk/draw.h
+++ b/src/ptk_vk/draw.h
@@ -11,9 +11,10 @@
 #endif
 #include <GLFW/glfw3.h>
 
-extern bool g_framebuffer_resized;
 extern uint32_t g_current_frame;
 
+void vk_framebuffer_resized(GLFWwindow *window, int width, int height);
+
 bool vk_draw_frame(void);
 
 #endif // PTK_PTK_VK_DRAW_H_