diff --git a/gfx/gl/GLContext.h b/gfx/gl/GLContext.h
index 7be9f4cbe81a..aef61e0fca81 100644
--- a/gfx/gl/GLContext.h
+++ b/gfx/gl/GLContext.h
@@ -52,7 +52,7 @@ namespace mozilla {
 namespace gl {
 class GLContext;
 
-typedef void* SharedTextureHandle;
+typedef uintptr_t SharedTextureHandle;
 
 enum ShaderProgramType {
     RGBALayerProgramType,