diff --git a/source/src/serverbrowser.cpp b/source/src/serverbrowser.cpp
index a46245a5..6c3841e7 100644
--- a/source/src/serverbrowser.cpp
+++ b/source/src/serverbrowser.cpp
@@ -533,10 +533,10 @@ void clearservers()
 
 VARP(masterupdatefrequency, 1, 60*60, 24*60*60);
 
-void updatefrommaster()
+void updatefrommaster(int force)
 {
     static int lastupdate = 0;
-    if(lastupdate && totalmillis-lastupdate<masterupdatefrequency*1000) return;
+    if(!force && lastupdate && totalmillis-lastupdate<masterupdatefrequency*1000) return;
 
     uchar buf[32000];
     uchar *reply = retrieveservers(buf, sizeof(buf));
@@ -562,7 +562,7 @@ void updatefrommaster()
 
 COMMAND(addserver, ARG_2STR);
 COMMAND(clearservers, ARG_NONE);
-COMMAND(updatefrommaster, ARG_NONE);
+COMMAND(updatefrommaster, ARG_1INT);
 
 void writeservercfg()
 {