diff --git a/install.sh b/install.sh
index a18a7fc..8438f1c 100755
--- a/install.sh
+++ b/install.sh
@@ -18,8 +18,10 @@ fi
 eval $find_command | xargs -0 -I % cp "%" "$font_dir/"
 
 # Reset font cache on Linux
-if [[ -n `which fc-cache` ]]; then
-  fc-cache -f $font_dir
+if [[ `uname` != 'Darwin' ]]; then
+  if [[ -n `which fc-cache` ]]; then
+    fc-cache -f $font_dir
+  fi
 fi
 
 echo "All Powerline fonts installed to $font_dir"