diff --git a/src/gameconfigfile.cpp b/src/gameconfigfile.cpp
index 59811fcdba..856d29f217 100644
--- a/src/gameconfigfile.cpp
+++ b/src/gameconfigfile.cpp
@@ -600,6 +600,16 @@ void FGameConfigFile::DoGlobalSetup ()
 				old_targets |= (old_targets & 1) ? 8 : 0;
 				gl_texture_hqresize_targets = old_targets;
 			}
+			if (last < 222)
+			{
+				auto var = FindCVar("mod_dumb_mastervolume", NULL);
+				if (var != NULL)
+				{
+					UCVarValue v = var->GetGenericRep(CVAR_Float);
+					v.Float /= 4.f;
+					if (v.Float < 1.f) v.Float = 1.f;
+				}
+			}
 		}
 	}
 }
diff --git a/src/version.h b/src/version.h
index babe3783dc..feda6ffae9 100644
--- a/src/version.h
+++ b/src/version.h
@@ -65,7 +65,7 @@ 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 "221"
+#define LASTRUNVERSION "222"
 
 // Protocol version used in demos.
 // Bump it if you change existing DEM_ commands or add new ones.
diff --git a/wadsrc/static/menudef.txt b/wadsrc/static/menudef.txt
index 49fd1e6b5f..6e0d76d7b9 100644
--- a/wadsrc/static/menudef.txt
+++ b/wadsrc/static/menudef.txt
@@ -2052,7 +2052,7 @@ OptionValue ModVolumeRamps
 OptionMenu ModReplayerOptions protected
 {
 	Title "$MODMNU_TITLE"
-	Slider "$MODMNU_MASTERVOLUME",			"mod_dumb_mastervolume", 1, 16, 0.5, 1
+	Slider "$MODMNU_MASTERVOLUME",			"mod_dumb_mastervolume", 0.25, 4, 0.5, 1
 	Option "$ADVSNDMNU_SAMPLERATE",			"mod_samplerate", "SampleRates"
 	Option "$MODMNU_QUALITY",				"mod_interp", "ModQuality"
 	Option "$MODMNU_VOLUMERAMPING",			"mod_volramp", "ModVolumeRamps"