diff --git a/src/configfile.cpp b/src/configfile.cpp
index 9a1f7bd4d..e64005fc4 100644
--- a/src/configfile.cpp
+++ b/src/configfile.cpp
@@ -513,6 +513,22 @@ FConfigFile::FConfigSection *FConfigFile::FindSection (const char *name) const
 	return section;
 }
 
+//====================================================================
+//
+// FConfigFile :: RenameSection
+//
+//====================================================================
+
+void FConfigFile::RenameSection (const char *oldname, const char *newname) const
+{
+	FConfigSection *section = FindSection(oldname);
+
+	if (section != NULL)
+	{
+		section->SectionName = newname;
+	}
+}
+
 //====================================================================
 //
 // FConfigFile :: FindEntry
diff --git a/src/configfile.h b/src/configfile.h
index 31943ccb6..e125351dc 100644
--- a/src/configfile.h
+++ b/src/configfile.h
@@ -78,6 +78,7 @@ protected:
 	virtual char *ReadLine (char *string, int n, void *file) const;
 	bool ReadConfig (void *file);
 	static const char *GenerateEndTag(const char *value);
+	void RenameSection(const char *oldname, const char *newname) const;
 
 	bool OkayToWrite;
 	bool FileExisted;
diff --git a/src/gameconfigfile.cpp b/src/gameconfigfile.cpp
index 7e0ddc6a1..9121e79d6 100644
--- a/src/gameconfigfile.cpp
+++ b/src/gameconfigfile.cpp
@@ -334,6 +334,26 @@ void FGameConfigFile::DoGlobalSetup ()
 					SetValueForKey ("5", "use ArtiInvulnerability2");
 				}
 			}
+			if (last < 211)
+			{
+				//RenameSection("Hacx2.Autoload", "hacx.2_0.Autoload");
+				//RenameSection("Hacx12.Autoload", "hacx.1_2.Autoload");
+				//RenameSection("Hexen1.Autoload", "hexen.hexen.Autoload");
+				RenameSection("Chex3.Autoload", "chex.3.Autoload");
+				RenameSection("Chex1.Autoload", "chex.1.Autoload");
+				RenameSection("HexenDK.Autoload", "hexen.deathkings.Autoload");
+				RenameSection("HereticSR.Autoload", "heretic.shadow.Autoload");
+				RenameSection("FreeDM.Autoload", "doom.freedoom.freedm.Autoload");
+				RenameSection("Freedoom2.Autoload", "doom.freedoom.phase2.Autoload");
+				RenameSection("Freedoom1.Autoload", "doom.freedoom.phase1.Autoload");
+				RenameSection("DoomBFG.Autoload", "doom.doom1.bfg.Autoload");
+				RenameSection("DoomU.Autoload", "doom.doom1.ultimate.Autoload");
+				RenameSection("Doom1.Autoload", "doom.doom1.registered.Autoload");
+				RenameSection("TNT.Autoload", "doom.doom2.tnt.Autoload");
+				RenameSection("Plutonia.Autoload", "doom.doom2.plutonia.Autoload");
+				RenameSection("Doom2BFG.Autoload", "doom.doom2.bfg.Autoload");
+				RenameSection("Doom2.Autoload", "doom.doom2.commercial.Autoload");
+			}
 		}
 	}
 }
diff --git a/src/version.h b/src/version.h
index cbbb8bd21..f45f58b2f 100644
--- a/src/version.h
+++ b/src/version.h
@@ -56,7 +56,7 @@ const char *GetVersionString();
 // Version stored in the ini's [LastRun] section.
 // Bump it if you made some configuration change that you want to
 // be able to migrate in FGameConfigFile::DoGlobalSetup().
-#define LASTRUNVERSION "210"
+#define LASTRUNVERSION "211"
 
 // Protocol version used in demos.
 // Bump it if you change existing DEM_ commands or add new ones.