1 files changed, 1 insertions, 1 deletions
diff --git a/src/XpExtUtil.h b/src/XpExtUtil.h
index 4b880ae..d479a95 100644
--- a/src/XpExtUtil.h
+++ b/src/XpExtUtil.h
@@ -45,7 +45,7 @@ extern int XpCheckExtInitUnlocked(
 );
 
 extern char *_xpstrdup(
-    char *	/* str */
+    const char * /* str */
 );
 
 _XFUNCPROTOEND