diff --git a/lsteamclient/steamclient_manual_152.cpp b/lsteamclient/steamclient_manual_152.cpp
index 70912255..5dbd9863 100644
--- a/lsteamclient/steamclient_manual_152.cpp
+++ b/lsteamclient/steamclient_manual_152.cpp
@@ -24,7 +24,6 @@ extern "C" {
 #include "cb_converters.h"
 
 /***** manual fn wrapper for ISteamInput::EnableActionEventCallbacks *****/
-typedef void (*CDECL win_SteamInputActionEventCallbackPointer)(SteamInputActionEvent_t *);
 win_SteamInputActionEventCallbackPointer win_EnableActionEventCallbacks;
 
 void lin_SteamInputActionEventCallbackPointer(SteamInputActionEvent_t *dat)
diff --git a/lsteamclient/steamclient_private.h b/lsteamclient/steamclient_private.h
index 2f9a0edb..ece5f456 100644
--- a/lsteamclient/steamclient_private.h
+++ b/lsteamclient/steamclient_private.h
@@ -4,6 +4,8 @@
 extern "C" {
 #endif
 
+#include "windef.h"
+
 typedef struct __winISteamClient winISteamClient;
 typedef struct __winISteamUser winISteamUser;
 typedef struct __winISteamGameServer winISteamGameServer;
@@ -38,6 +40,10 @@ typedef struct __winISteamRemotePlay winISteamRemotePlay;
 typedef struct __winISteamNetworkingFakeUDPPort winISteamNetworkingFakeUDPPort;
 typedef struct __winX winX;
 
+struct SteamInputActionEvent_t;
+typedef void (*CDECL win_SteamInputActionEventCallbackPointer)(SteamInputActionEvent_t *);
+void lin_SteamInputActionEventCallbackPointer(SteamInputActionEvent_t *dat);
+
 void *create_win_interface(const char *name, void *linux_side);
 unsigned int steamclient_unix_path_to_dos_path(bool api_result, const char *src, char *dst, uint32 dst_bytes, int is_url);
 bool steamclient_dos_path_to_unix_path(const char *src, char *dst, int is_url);