diff --git a/src/os_win32.c b/src/os_win32.c
index 9fe4321..d502634 100644
--- a/src/os_win32.c
+++ b/src/os_win32.c
@@ -577,7 +577,7 @@
 	const char *msgid_plural,
 	unsigned long n)
 {
-    return n == 1 ? msgid : msgid_plural;
+    return (char *)(n == 1 ? msgid : msgid_plural);
 }
 
 /*ARGSUSED*/