diff --git a/src/terminal/terminaldisplay.cc b/src/terminal/terminaldisplay.cc
index b76d84e..a6a06bc 100644
--- a/src/terminal/terminaldisplay.cc
+++ b/src/terminal/terminaldisplay.cc
@@ -292,7 +292,13 @@ std::string Display::new_frame( bool initialized, const Framebuffer &last, const
     frame.append( f.ds.bracketed_paste ? "\033[?2004h" : "\033[?2004l" );
   }
 
-  /* has xterm mouse mode changed (SET_ANY_EVENT_MOUSE)? */
+  /* has xterm VT100 mouse mode changed? */
+  if ( (!initialized)
+       || (f.ds.vt100_mouse != frame.last_frame.ds.vt100_mouse) ) {
+    frame.append( f.ds.vt100_mouse ? "\033[?1000h" : "\033[?1000l" );
+  }
+
+  /* has xterm mouse mode changed? */
   if ( (!initialized)
        || (f.ds.xterm_mouse != frame.last_frame.ds.xterm_mouse) ) {
     frame.append( f.ds.xterm_mouse ? "\033[?1002h" : "\033[?1002l" );
diff --git a/src/terminal/terminalframebuffer.cc b/src/terminal/terminalframebuffer.cc
index 0659c31..c1ba094 100644
--- a/src/terminal/terminalframebuffer.cc
+++ b/src/terminal/terminalframebuffer.cc
@@ -62,8 +62,8 @@ DrawState::DrawState( int s_width, int s_height )
     renditions( 0 ), save(),
     next_print_will_wrap( false ), origin_mode( false ), auto_wrap_mode( true ),
     insert_mode( false ), cursor_visible( true ), reverse_video( false ),
-    bracketed_paste( false ), xterm_mouse( false ), xterm_extended_mouse( false ), 
-    application_mode_cursor_keys( false )
+    bracketed_paste( false ), vt100_mouse( false ), xterm_mouse( false ), 
+    xterm_extended_mouse( false ), application_mode_cursor_keys( false )
 {
   reinitialize_tabs( 0 );
 }
diff --git a/src/terminal/terminalframebuffer.h b/src/terminal/terminalframebuffer.h
index 01576b7..68c288f 100644
--- a/src/terminal/terminalframebuffer.h
+++ b/src/terminal/terminalframebuffer.h
@@ -190,6 +190,7 @@ namespace Terminal {
     bool cursor_visible;
     bool reverse_video;
     bool bracketed_paste;
+    bool vt100_mouse;
     bool xterm_mouse;
     bool xterm_extended_mouse;
 
@@ -241,8 +242,8 @@ namespace Terminal {
       return ( width == x.width ) && ( height == x.height ) && ( cursor_col == x.cursor_col )
 	&& ( cursor_row == x.cursor_row ) && ( cursor_visible == x.cursor_visible ) &&
 	( reverse_video == x.reverse_video ) && ( renditions == x.renditions ) &&
-  ( bracketed_paste == x.bracketed_paste ) && ( xterm_mouse == x.xterm_mouse ) &&
-  ( xterm_extended_mouse == x.xterm_extended_mouse );
+  ( bracketed_paste == x.bracketed_paste ) && ( vt100_mouse == x.vt100_mouse ) &&
+  ( xterm_mouse == x.xterm_mouse ) && ( xterm_extended_mouse == x.xterm_extended_mouse );
     }
   };
 
diff --git a/src/terminal/terminalfunctions.cc b/src/terminal/terminalfunctions.cc
index 992c63f..8598ad9 100644
--- a/src/terminal/terminalfunctions.cc
+++ b/src/terminal/terminalfunctions.cc
@@ -269,6 +269,7 @@ static bool *get_DEC_mode( int param, Framebuffer *fb ) {
   case 25:
     return &(fb->ds.cursor_visible);
   case 1000:           /* xterm mouse 1 (normal) */
+    return &(fb->ds.vt100_mouse);
   case 1002:           /* xterm mouse 2 (inc. button drags) */
     return &(fb->ds.xterm_mouse);
   case 1006:           /* xterm extended mouse */