diff --git a/libctru/include/3ds/services/gspgpu.h b/libctru/include/3ds/services/gspgpu.h
index b03de3a..79d0531 100644
--- a/libctru/include/3ds/services/gspgpu.h
+++ b/libctru/include/3ds/services/gspgpu.h
@@ -99,7 +99,7 @@ void gspExit(void);
  * @param mode Mode configuration to be written to LCD register
  * @note The most recently presented buffer is processed and configured during the specified screen's next VBlank event.
  */
-void gspPresentBuffer(unsigned screen, unsigned swap, const void* fb_a, const void* fb_b, unsigned stride, u32 mode);
+void gspPresentBuffer(unsigned screen, unsigned swap, const void* fb_a, const void* fb_b, u32 stride, u32 mode);
 
 /**
  * @brief Configures a callback to run when a GSPGPU event occurs.
diff --git a/libctru/source/services/gspgpu.c b/libctru/source/services/gspgpu.c
index 30dd1c4..fc50958 100644
--- a/libctru/source/services/gspgpu.c
+++ b/libctru/source/services/gspgpu.c
@@ -219,7 +219,7 @@ void gspExit(void)
 	svcCloseHandle(gspGpuHandle);
 }
 
-void gspPresentBuffer(unsigned screen, unsigned swap, const void* fb_a, const void* fb_b, unsigned stride, u32 mode)
+void gspPresentBuffer(unsigned screen, unsigned swap, const void* fb_a, const void* fb_b, u32 stride, u32 mode)
 {
 	GSPGPU_FramebufferInfo info;
 	info.active_framebuf = swap;