diff --git a/examples/SharedMemory/SharedMemoryInProcessPhysicsC_API.cpp b/examples/SharedMemory/SharedMemoryInProcessPhysicsC_API.cpp
index 70fd1c5fb..8c259c802 100644
--- a/examples/SharedMemory/SharedMemoryInProcessPhysicsC_API.cpp
+++ b/examples/SharedMemory/SharedMemoryInProcessPhysicsC_API.cpp
@@ -225,11 +225,11 @@ int b3InProcessMouseButtonCallback(b3PhysicsClientHandle clientHandle, int butto
 }
 
 
-b3PhysicsClientHandle b3CreateInProcessPhysicsServerFromExistingExampleBrowserAndConnect(struct GUIHelperInterface* guiHelper)
+b3PhysicsClientHandle b3CreateInProcessPhysicsServerFromExistingExampleBrowserAndConnect(void* guiHelperPtr)
 {
-
+	GUIHelperInterface* guiHelper = (GUIHelperInterface*) guiHelperPtr;
 	InProcessPhysicsClientExistingExampleBrowser* cl  = new InProcessPhysicsClientExistingExampleBrowser(guiHelper);
 	//InProcessPhysicsClientFromGuiHelper* cl = new InProcessPhysicsClientFromGuiHelper(guiHelper);
     cl->connect();
 	return (b3PhysicsClientHandle ) cl;
-}
\ No newline at end of file
+}
diff --git a/examples/SharedMemory/SharedMemoryInProcessPhysicsC_API.h b/examples/SharedMemory/SharedMemoryInProcessPhysicsC_API.h
index 6d1bacc75..7ce6e024a 100644
--- a/examples/SharedMemory/SharedMemoryInProcessPhysicsC_API.h
+++ b/examples/SharedMemory/SharedMemoryInProcessPhysicsC_API.h
@@ -14,7 +14,7 @@ b3PhysicsClientHandle b3CreateInProcessPhysicsServerAndConnect(int argc, char* a
 
 b3PhysicsClientHandle b3CreateInProcessPhysicsServerAndConnectMainThread(int argc, char* argv[]);
 
-b3PhysicsClientHandle b3CreateInProcessPhysicsServerFromExistingExampleBrowserAndConnect(struct GUIHelperInterface* guiHelper);
+b3PhysicsClientHandle b3CreateInProcessPhysicsServerFromExistingExampleBrowserAndConnect(void* guiHelperPtr);
 
 ///ignore the following APIs, they are for internal use for example browser
 void b3InProcessRenderSceneInternal(b3PhysicsClientHandle clientHandle);