diff --git a/arangod/VocBase/AuthInfo.cpp b/arangod/VocBase/AuthInfo.cpp
index 9eef6903bd..2a7fa4cd56 100644
--- a/arangod/VocBase/AuthInfo.cpp
+++ b/arangod/VocBase/AuthInfo.cpp
@@ -345,7 +345,7 @@ HexHashResult AuthInfo::hexHashFromData(std::string const& hashMethod, char cons
   }
 
   if (crypted == nullptr ||
-      cryptedLength <= 0) {
+      cryptedLength == 0) {
     delete[] crypted;
     return HexHashResult(TRI_ERROR_OUT_OF_MEMORY);
   }
diff --git a/arangod/VocBase/AuthInfo.h b/arangod/VocBase/AuthInfo.h
index 222d11127a..2448fdc920 100644
--- a/arangod/VocBase/AuthInfo.h
+++ b/arangod/VocBase/AuthInfo.h
@@ -54,8 +54,8 @@ enum class AuthSource {
 
 class HexHashResult : public arangodb::Result {
   public:
-    HexHashResult(int errorNumber) : Result(errorNumber) {}
-    HexHashResult(std::string const& hexHash) : Result(0),  _hexHash(hexHash) {}
+    explicit HexHashResult(int errorNumber) : Result(errorNumber) {}
+    explicit HexHashResult(std::string const& hexHash) : Result(0),  _hexHash(hexHash) {}
     std::string const& hexHash() { return _hexHash; }
 
   protected:
@@ -64,7 +64,12 @@ class HexHashResult : public arangodb::Result {
 
 class AuthEntry {
  public:
-  AuthEntry() : _active(false), _mustChange(false), _allDatabases(AuthLevel::NONE) {}
+  AuthEntry() 
+      : _active(false), 
+        _mustChange(false), 
+        _created(TRI_microtime()), 
+        _source(AuthSource::COLLECTION), 
+        _allDatabases(AuthLevel::NONE) {}
 
   AuthEntry(std::string&& username, std::string&& passwordMethod,
             std::string&& passwordSalt, std::string&& passwordHash,