1 files changed, 1 insertions, 1 deletions
diff --git a/windows.c b/windows.c
index 87bcaf6bd..b6e10bb71 100644
--- a/windows.c
+++ b/windows.c
@@ -98,7 +98,7 @@ const char *subsurface_icon_name()
 const char *subsurface_default_filename()
 {
 	if (default_filename) {
-		return default_filename;
+		return strdup(default_filename);
 	} else {
 		char datapath[MAX_PATH];
 		const char *user;