diff --git a/src/Refresh_Driver_Vulkan.c b/src/Refresh_Driver_Vulkan.c
index b4b6a57..1b3c43b 100644
--- a/src/Refresh_Driver_Vulkan.c
+++ b/src/Refresh_Driver_Vulkan.c
@@ -10671,6 +10671,8 @@ static uint8_t VULKAN_INTERNAL_DefragmentMemory(
 		}
 	}
 
+	SDL_UnlockMutex(renderer->allocatorLock);
+
 	VULKAN_Submit(
 		(Refresh_Renderer*) renderer,
 		1,
@@ -10679,8 +10681,6 @@ static uint8_t VULKAN_INTERNAL_DefragmentMemory(
 
 	renderer->defragTimer = 0;
 
-	SDL_UnlockMutex(renderer->allocatorLock);
-
 	return 1;
 }