diff --git a/cmd/helm/completion.go b/cmd/helm/completion.go
index 310b48fd9..21d31d155 100644
--- a/cmd/helm/completion.go
+++ b/cmd/helm/completion.go
@@ -194,7 +194,7 @@ autoload -U +X bashcompinit && bashcompinit
 # use word boundary patterns for BSD or GNU sed
 LWORD='[[:<:]]'
 RWORD='[[:>:]]'
-if sed --help 2>&1 | grep -q GNU; then
+if sed --help 2>&1 | grep -q 'GNU\|BusyBox'; then
 	LWORD='\<'
 	RWORD='\>'
 fi