diff --git a/reaction/code/ui/ui_main.c b/reaction/code/ui/ui_main.c
index e3ece64e..48547096 100644
--- a/reaction/code/ui/ui_main.c
+++ b/reaction/code/ui/ui_main.c
@@ -491,7 +491,7 @@ void _UI_KeyEvent(int key, qboolean down);
 void _UI_MouseEvent(int dx, int dy);
 void _UI_Refresh(int realtime);
 qboolean _UI_IsFullscreen(void);
-int vmMain(int command, int arg0, int arg1, int arg2, int arg3, int arg4, int arg5, int arg6, int arg7, int arg8,
+Q_EXPORT intptr_t  vmMain(int command, int arg0, int arg1, int arg2, int arg3, int arg4, int arg5, int arg6, int arg7, int arg8,
 	   int arg9, int arg10, int arg11)
 {
 	switch (command) {
diff --git a/reaction/code/ui/ui_syscalls.c b/reaction/code/ui/ui_syscalls.c
index 4fc8cfb1..dbae9063 100644
--- a/reaction/code/ui/ui_syscalls.c
+++ b/reaction/code/ui/ui_syscalls.c
@@ -31,7 +31,7 @@
 
 static int (QDECL * syscall) (int arg, ...) = (int (QDECL *) (int, ...)) -1;
 
-void dllEntry(int (QDECL * syscallptr) (int arg, ...))
+Q_EXPORT void dllEntry(int (QDECL * syscallptr) (int arg, ...))
 {
 	syscall = syscallptr;
 }