diff --git a/share/autocomplete_frama-c b/share/autocomplete_frama-c
index 1b4610d4d3356beddb56c4000185810a4f5aa223..423c17506bf553560fc19a589a1132391a277883 100644
--- a/share/autocomplete_frama-c
+++ b/share/autocomplete_frama-c
@@ -94,7 +94,7 @@ _frama-c ()
   then
       local prefix=; [[ $cur == *,* ]] && prefix="${cur%,*},"
       advance_options="$(frama-c -wp-detect | grep -E -o " \[.*" | grep -E -o "[^][|]*")"
-      advance_options+="none script tip native:alt-ergo native:coq native:coqide"
+      advance_options+=" none script tip native:alt-ergo native:coq native:coqide"
       local ambigous="$(bind -v | grep show-all-if-ambiguous)"
       ambigous="${ambigous##* }"
       if [[ "$ambigous" == "on" ]]