diff --git a/start.sh b/start.sh
index d693e15..71e9acb 100755
--- a/start.sh
+++ b/start.sh
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-if (grep keywordEnabled config.json | grep -q true) && (! which mecab) && [ -e '/usr/lib/x86_64-linux-gnu/mecab/dic/mecab-ipadic-neologd/' ]; then
+if (grep keywordEnabled config.json | grep -q true) && (! which mecab) && [ ! -e '/usr/lib/x86_64-linux-gnu/mecab/dic/mecab-ipadic-neologd/' ]; then
   echo "You must install MeCab and mecab-ipadic-neologd if keywordEnabled is true."
   exit 1
 fi