diff --git a/MemoryModule.c b/MemoryModule.c
index 0c5d209..96a0fcb 100644
--- a/MemoryModule.c
+++ b/MemoryModule.c
@@ -141,13 +141,12 @@ OutputLastError(const char *msg)
 #ifndef DEBUG_OUTPUT
     UNREFERENCED_PARAMETER(msg);
 #else
-    LPVOID tmp;
-    char *tmpmsg;
-    FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
-        NULL, GetLastError(), MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR)&tmp, 0, NULL);
+    char *tmp, *tmpmsg;
+    FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
+        NULL, GetLastError(), MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPSTR)&tmp, 0, NULL);
     tmpmsg = (char *)LocalAlloc(LPTR, strlen(msg) + strlen(tmp) + 3);
     sprintf(tmpmsg, "%s: %s", msg, tmp);
-    OutputDebugString(tmpmsg);
+    OutputDebugStringA(tmpmsg);
     LocalFree(tmpmsg);
     LocalFree(tmp);
 #endif