diff --git a/cursor/xcursor.c b/cursor/xcursor.c
index 6e54cdbd..28aab045 100644
--- a/cursor/xcursor.c
+++ b/cursor/xcursor.c
@@ -607,7 +607,7 @@ xcursor_build_fullname(const char *dir, const char *subdir, const char *file)
 static const char *
 xcursor_next_path(const char *path)
 {
-	char *colon = strchr(path, ':');
+	const char *colon = strchr(path, ':');
 
 	if (!colon)
 		return NULL;