diff --git a/openglcanvas.cpp b/openglcanvas.cpp
index e7a185128cf6f808e7ddfc2c445e6c06834031a7..9d4dfbb5b7b93090b6aa5ff56429bb3995bd5e14 100644
--- a/openglcanvas.cpp
+++ b/openglcanvas.cpp
@@ -87,7 +87,7 @@ void OpenGLCanvas::change_fov(int new_fov){
 }
 
 void OpenGLCanvas::change_fov_max(int new_fov_max){
-    if(new_fov_max<=360&&new_fov_max>=0)
+    if(new_fov_max<=360&&new_fov_max>=1)
             fov_max=(double)new_fov_max;
     if (fov<=fov_max)
         scale=1.f;