diff --git a/lib/loglevel.js b/lib/loglevel.js
index 469069e..307ab2f 100644
--- a/lib/loglevel.js
+++ b/lib/loglevel.js
@@ -264,7 +264,7 @@
           }
 
           // NOTE: in v2, this should call rebuild(), which updates children.
-          return replaceLoggingMethods.call(this);
+          return replaceLoggingMethods.call(self);
       };
 
       self.setDefaultLevel = function (level) {
@@ -277,7 +277,7 @@
       self.resetLevel = function () {
           userLevel = null;
           clearPersistedLevel();
-          replaceLoggingMethods.call(this);
+          replaceLoggingMethods.call(self);
       };
 
       self.enableAll = function(persist) {
@@ -292,7 +292,7 @@
           if (defaultLogger !== self) {
               inheritedLevel = normalizeLevel(defaultLogger.getLevel());
           }
-          replaceLoggingMethods.call(this);
+          replaceLoggingMethods.call(self);
 
           if (defaultLogger === self) {
               for (var childName in _loggersByName) {
@@ -309,7 +309,7 @@
       if (initialLevel != null) {
           userLevel = normalizeLevel(initialLevel);
       }
-      replaceLoggingMethods.call(this);
+      replaceLoggingMethods.call(self);
     }
 
     /*