diff --git a/gtk/main.c b/gtk/main.c
index 147738bba..fcdc42264 100644
--- a/gtk/main.c
+++ b/gtk/main.c
@@ -405,6 +405,7 @@ GtkWidget *linphone_gtk_create_window(const char *window_name, GtkWidget *parent
 	if(parent) {
 		gtk_window_set_modal(GTK_WINDOW(w), TRUE);
 		gtk_window_set_transient_for(GTK_WINDOW(w), GTK_WINDOW(parent));
+		gtk_window_set_position(GTK_WINDOW(w), GTK_WIN_POS_CENTER_ON_PARENT);
 	} else {
 		gtk_window_set_modal(GTK_WINDOW(w), FALSE);
 	}