diff --git a/bash_completions.go b/bash_completions.go
index 8820ba8f..59e90f9d 100644
--- a/bash_completions.go
+++ b/bash_completions.go
@@ -225,7 +225,7 @@ __handle_command()
     fi
     c=$((c+1))
     __debug "${FUNCNAME[0]}: looking for ${next_command}"
-    declare -F $next_command >/dev/null && $next_command
+    declare -F "$next_command" >/dev/null && $next_command
 }
 
 __handle_word()