diff --git a/src/MiniDocs/NanoID.class.st b/src/MiniDocs/NanoID.class.st
index 9b07d47..9ec8f24 100644
--- a/src/MiniDocs/NanoID.class.st
+++ b/src/MiniDocs/NanoID.class.st
@@ -25,7 +25,7 @@ NanoID class >> binaryFile [
 
 { #category : #accessing }
 NanoID class >> generate [
-
+	self binaryFile exists ifFalse: [ NanoID install].
 	OSSUnixSubprocess new
 		command: self binaryFile fullName;
 		redirectStdout;