diff --git a/completions/wget b/completions/wget
index d9780d84..1fc5c955 100644
--- a/completions/wget
+++ b/completions/wget
@@ -39,7 +39,7 @@ _wget()
             # prevopt is the previous options string used as a prefix
             # to avoid COMPREPLY replacing them with the $lastopt completion
             local lastopt=${cur/*,} prevopt=
-            [[ $cur = *,* ]] && prevopt=${cur%,*},
+            [[ $cur == *,* ]] && prevopt=${cur%,*},
 
             COMPREPLY=( $( compgen -P "$prevopt" -X "@($excludes_str)" \
                 -W 'unix windows nocontrol ascii lowercase uppercase' \
@@ -65,7 +65,7 @@ _wget()
             return
             ;;
         -O|--output-document|-i|--input-file)
-            _filedir && [[ $cur = - || -z $cur ]] && COMPREPLY+=( - )
+            _filedir && [[ $cur == - || -z $cur ]] && COMPREPLY+=( - )
             return
             ;;
         --secure-protocol)
@@ -78,7 +78,7 @@ _wget()
             ;;
         --follow-tags|--ignore-tags)
             local lastopt=${cur/*,} prevopt=
-            [[ $cur = *,* ]] && prevopt=${cur%,*},
+            [[ $cur == *,* ]] && prevopt=${cur%,*},
 
             COMPREPLY=( $( compgen -P "$prevopt" -W 'a abbr acronym address
                 applet area b base basefont bdo big blockquote body br button
@@ -154,7 +154,7 @@ _wget()
 
     $split && return
 
-    if [[ $cur = -* ]]; then
+    if [[ $cur == -* ]]; then
         COMPREPLY=( $( compgen -W '$( _parse_help "$1" )' -- "$cur" ) )
         [[ $COMPREPLY == *= ]] && compopt -o nospace
     fi