diff --git a/src/main/java/org/samo_lego/simpleauth/storage/SimpleAuthDatabase.java b/src/main/java/org/samo_lego/simpleauth/storage/SimpleAuthDatabase.java
index c7062b2..3845088 100644
--- a/src/main/java/org/samo_lego/simpleauth/storage/SimpleAuthDatabase.java
+++ b/src/main/java/org/samo_lego/simpleauth/storage/SimpleAuthDatabase.java
@@ -41,7 +41,7 @@ public class SimpleAuthDatabase {
 
     // Tells whether db connection is closed
     public boolean isClosed() {
-        return levelDBStore != null;
+        return levelDBStore == null;
     }