diff --git a/base/xdisplay_c.h b/base/xdisplay_c.h
index c6874f3..f2178f3 100644
--- a/base/xdisplay_c.h
+++ b/base/xdisplay_c.h
@@ -4,7 +4,7 @@
 
 static Display *mainDisplay = NULL;
 static int registered = 0;
-static char *displayName = ":0.0";
+static char *displayName = NULL;
 static int hasDisplayNameChanged = 0;
 
 Display *XGetMainDisplay(void)
@@ -24,6 +24,11 @@ Display *XGetMainDisplay(void)
 			mainDisplay = XOpenDisplay(NULL);
 		}
 
+		/* Fall back to the most likely :0.0*/
+		if (mainDisplay == NULL) {
+			mainDisplay = XOpenDisplay(":0.0");
+		}
+
 		if (mainDisplay == NULL) {
 			fputs("Could not open main display\n", stderr);
 		} else if (!registered) {