diff --git a/completion/available/gulp.completion.bash b/completion/available/gulp.completion.bash
index 91e28764..d564931a 100644
--- a/completion/available/gulp.completion.bash
+++ b/completion/available/gulp.completion.bash
@@ -39,12 +39,16 @@
 #
 # eval "$(gulp --completion=bash)"
 # Enable bash autocompletion.
-function _gulp_completions() {
-# The currently-being-completed word.
-local cur="${COMP_WORDS[COMP_CWORD]}"
-#Grab tasks
-local compls=$(gulp --tasks-simple)
-# Tell complete what stuff to show.
-COMPREPLY=($(compgen -W "$compls" -- "$cur"))
-}
-complete -o default -F _gulp_completions gulp
+
+if _command_exists gulp
+then
+    function _gulp_completions() {
+        # The currently-being-completed word.
+        local cur="${COMP_WORDS[COMP_CWORD]}"
+        #Grab tasks
+        local compls=$(gulp --tasks-simple)
+        # Tell complete what stuff to show.
+        COMPREPLY=($(compgen -W "$compls" -- "$cur"))
+    }
+    complete -o default -F _gulp_completions gulp
+fi