diff --git a/source/src/rendergl.cpp b/source/src/rendergl.cpp
index e8575f0c..7a62fb6e 100644
--- a/source/src/rendergl.cpp
+++ b/source/src/rendergl.cpp
@@ -706,9 +706,9 @@ void sethudgunperspective(bool on)
     if(on)
     {
         glScalef(1, 1, 0.5f); // fix hudugns colliding with map geometry
-        gluPerspective((float)100.0f*screen->h/screen->w, aspect, 0.3f, farplane); // fov fixed at 100°
+        gluPerspective(75.0f, aspect, 0.3f, farplane); // y fov fixed at 75°
     }
-    else gluPerspective((float)dynfov()*screen->h/screen->w, aspect, 0.15f, farplane);
+    else gluPerspective(fovy, aspect, 0.15f, farplane);
     glMatrixMode(GL_MODELVIEW);
 }