diff --git a/commandline.cpp b/commandline.cpp
index 8e2d5e7d..7f684ca8 100644
--- a/commandline.cpp
+++ b/commandline.cpp
@@ -84,11 +84,14 @@ int arg::readCommon() {
     using namespace patterns;
     subpattern_flags = 0;
     while(*c) { 
-      if(*c >= '0' && *c <= '9') subpattern_flags ^= (*c - '0'); 
+      if(*c >= '0' && *c <= '9') subpattern_flags ^= 1 << (*c - '0'); 
       else whichPattern = *c;
       c++; 
       }
     }
+  else if(argis("-nogui")) {
+    noGUI = true;
+    }
   else if(argis("-back")) {
     shift(); backcolor = strtol(args(), NULL, 16);
     }
diff --git a/rogueviz.cpp b/rogueviz.cpp
index 2626ee1d..a9ac8f92 100644
--- a/rogueviz.cpp
+++ b/rogueviz.cpp
@@ -1620,10 +1620,6 @@ int readArgs() {
     spiral::place(N, mul);
     }
 
-  else if(argis("-nogui")) {
-    noGUI = true;
-    }
-
   else if(argis("-net")) {
     PHASE(3);
     init(); kind = kFullNet;