diff --git a/include/SDL3/SDL_gpu.h b/include/SDL3/SDL_gpu.h
index 91788e516b..ffbc51a969 100644
--- a/include/SDL3/SDL_gpu.h
+++ b/include/SDL3/SDL_gpu.h
@@ -384,7 +384,7 @@ typedef enum SDL_GPUIndexElementSize
  */
 typedef enum SDL_GPUTextureFormat
 {
-    SDL_GPU_TEXTUREFORMAT_INVALID = 0,
+    SDL_GPU_TEXTUREFORMAT_INVALID = -1,
 
     /* Unsigned Normalized Float Color Formats */
     SDL_GPU_TEXTUREFORMAT_A8_UNORM,