diff --git a/CHANGES b/CHANGES
index 85f1d8724..0158ed352 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,8 @@
+CHANGES IN FLTK 1.1.11
+
+	- Documentation fixes (STR #2410)
+	- Fixed mouse wheel related crash in GLUT emulation (STR #2381)
+
 CHANGES IN FLTK 1.1.10
 
 	- Documentation fixes (STR #2220, STR #2209, STR #1945, STR #1893)
diff --git a/src/glut_compatability.cxx b/src/glut_compatability.cxx
index 8fe7ca900..3a66cc5f6 100644
--- a/src/glut_compatability.cxx
+++ b/src/glut_compatability.cxx
@@ -103,8 +103,8 @@ int Fl_Glut_Window::handle(int event) {
 
   case FL_MOUSEWHEEL:
     button = Fl::event_dy();
-    while (button < 0) {mouse(3,GLUT_DOWN,ex,ey); ++button;}
-    while (button > 0) {mouse(4,GLUT_DOWN,ex,ey); --button;}
+    while (button < 0) {if (mouse) mouse(3,GLUT_DOWN,ex,ey); ++button;}
+    while (button > 0) {if (mouse) mouse(4,GLUT_DOWN,ex,ey); --button;}
     return 1;
 
   case FL_RELEASE: