@@ -83,11 +83,11 @@
 # define OFForward OFMethodNotFound
 # define OFForward_stret OFMethodNotFound_stret
 #endif
 
 #ifdef OF_WINDOWS
-BOOLEAN (*RtlGenRandomFuncPtr)(PVOID, ULONG);
+static BOOLEAN NTAPI (*RtlGenRandomFuncPtr)(PVOID, ULONG);
 #endif
 
 struct PreIvars {
 #ifdef OF_MSDOS
 	ptrdiff_t offset;
@@ -207,11 +207,11 @@
 
 # ifdef OF_WINDOWS
 	HANDLE handle;
 
 	if ((handle = GetModuleHandleA("advapi32.dll")) != NULL &&
-	    (RtlGenRandomFuncPtr = (BOOLEAN (*)(PVOID, ULONG))
+	    (RtlGenRandomFuncPtr = (BOOLEAN NTAPI (*)(PVOID, ULONG))
 	    GetProcAddress(handle, "SystemFunction036")) != NULL)
 		return;
 # endif
 
 # ifdef HAVE_RANDOM