diff --git a/plugins/common-aliases/common-aliases.plugin.zsh b/plugins/common-aliases/common-aliases.plugin.zsh
index 128db6e5f..d47b20e40 100644
--- a/plugins/common-aliases/common-aliases.plugin.zsh
+++ b/plugins/common-aliases/common-aliases.plugin.zsh
@@ -54,17 +54,19 @@ alias mv='mv -i'
 # depends on the SUFFIX :)
 if is-at-least 4.2.0; then
   # open browser on urls
-  _browser_fts=(htm html de org net com at cx nl se dk dk php)
-  for ft in $_browser_fts ; do alias -s $ft=$BROWSER ; done
+  if [[ -n "$BROWSER" ]]; then
+    _browser_fts=(htm html de org net com at cx nl se dk dk)
+    for ft in $_browser_fts; do alias -s $ft=$BROWSER; done
+  fi
 
   _editor_fts=(cpp cxx cc c hh h inl asc txt TXT tex)
-  for ft in $_editor_fts ; do alias -s $ft=$EDITOR ; done
+  for ft in $_editor_fts; do alias -s $ft=$EDITOR; done
 
   _image_fts=(jpg jpeg png gif mng tiff tif xpm)
-  for ft in $_image_fts ; do alias -s $ft=$XIVIEWER; done
+  for ft in $_image_fts; do alias -s $ft=$XIVIEWER; done
 
   _media_fts=(ape avi flv m4a mkv mov mp3 mpeg mpg ogg ogm rm wav webm)
-  for ft in $_media_fts ; do alias -s $ft=mplayer ; done
+  for ft in $_media_fts; do alias -s $ft=mplayer; done
 
   #read documents
   alias -s pdf=acroread