diff --git a/src/d_main.c b/src/d_main.c
index 59ff075d..18ef7864 100644
--- a/src/d_main.c
+++ b/src/d_main.c
@@ -2442,7 +2442,7 @@ void D_DoomMain(void)
   R_UpdateViewAngleFunction();
   WS_Init();
 
-  MN_ResetTimeScale();
+  G_SetTimeScale();
 
   I_Printf(VB_INFO, "S_Init: Setting up sound.");
   S_Init(snd_SfxVolume /* *8 */, snd_MusicVolume /* *8*/ );
diff --git a/src/g_game.c b/src/g_game.c
index d389b009..8f619bea 100644
--- a/src/g_game.c
+++ b/src/g_game.c
@@ -423,6 +423,41 @@ static void G_DemoSkipTics(void)
   }
 }
 
+void G_SetTimeScale(void)
+{
+    if (strictmode || D_CheckNetConnect())
+    {
+        I_SetTimeScale(100);
+        return;
+    }
+
+    int time_scale = realtic_clock_rate;
+
+    //!
+    // @arg <n>
+    // @category game
+    //
+    // Increase or decrease game speed, percentage of normal.
+    //
+
+    int p = M_CheckParmWithArgs("-speed", 1);
+
+    if (p)
+    {
+        time_scale = M_ParmArgToInt(p);
+        if (time_scale < 10 || time_scale > 1000)
+        {
+            I_Error(
+                "Invalid parameter '%d' for -speed, valid values are 10-1000.",
+                time_scale);
+        }
+    }
+
+    I_SetTimeScale(time_scale);
+
+    setrefreshneeded = true;
+}
+
 static void ClearLocalView(void)
 {
   memset(&localview, 0, sizeof(localview));
diff --git a/src/g_game.h b/src/g_game.h
index af24ce67..55d02151 100644
--- a/src/g_game.h
+++ b/src/g_game.h
@@ -78,6 +78,7 @@ void G_DoVictory(void);
 int G_ValidateMapName(const char *mapname, int *pEpi, int *pMap);
 
 void G_EnableWarp(boolean warp);
+void G_SetTimeScale(void);
 
 demo_version_t G_GetNamedComplevel(const char *arg);
 const char *G_GetCurrentComplevelName(void);
diff --git a/src/mn_menu.c b/src/mn_menu.c
index 275e2f30..e2f80791 100644
--- a/src/mn_menu.c
+++ b/src/mn_menu.c
@@ -2439,7 +2439,7 @@ boolean M_ShortcutResponder(const event_t *ev)
         realtic_clock_rate += 10;
         realtic_clock_rate = BETWEEN(10, 1000, realtic_clock_rate);
         displaymsg("Game Speed: %d", realtic_clock_rate);
-        I_SetTimeScale(realtic_clock_rate);
+        G_SetTimeScale();
         setrefreshneeded = true;
     }
 
@@ -2449,7 +2449,7 @@ boolean M_ShortcutResponder(const event_t *ev)
         realtic_clock_rate -= 10;
         realtic_clock_rate = BETWEEN(10, 1000, realtic_clock_rate);
         displaymsg("Game Speed: %d", realtic_clock_rate);
-        I_SetTimeScale(realtic_clock_rate);
+        G_SetTimeScale();
         setrefreshneeded = true;
     }
 
@@ -2458,7 +2458,7 @@ boolean M_ShortcutResponder(const event_t *ev)
     {
         realtic_clock_rate = 100;
         displaymsg("Game Speed: %d", realtic_clock_rate);
-        I_SetTimeScale(realtic_clock_rate);
+        G_SetTimeScale();
         setrefreshneeded = true;
     }
 
diff --git a/src/mn_menu.h b/src/mn_menu.h
index 7fefaf60..11bf2409 100644
--- a/src/mn_menu.h
+++ b/src/mn_menu.h
@@ -67,7 +67,6 @@ void MN_UpdatePadLook(void);
 void MN_UpdateAllGamepadItems(void);
 void MN_UpdateEqualizerItems(void);
 void MN_UpdateAdvancedSoundItems(boolean toggle);
-void MN_ResetTimeScale(void);
 void MN_SetHUFontKerning(void);
 void MN_DisableVoxelsRenderingItem(void);
 void MN_UpdateDynamicResolutionItem(void);
diff --git a/src/mn_setup.c b/src/mn_setup.c
index d12301dc..eece5e77 100644
--- a/src/mn_setup.c
+++ b/src/mn_setup.c
@@ -3290,41 +3290,6 @@ static const char *screen_melt_strings[] = {"Off", "Melt", "Crossfade", "Fizzle"
 
 static const char *invul_mode_strings[] = {"Vanilla", "MBF", "Gray"};
 
-void MN_ResetTimeScale(void)
-{
-    if (strictmode || D_CheckNetConnect())
-    {
-        I_SetTimeScale(100);
-        return;
-    }
-
-    int time_scale = realtic_clock_rate;
-
-    //!
-    // @arg <n>
-    // @category game
-    //
-    // Increase or decrease game speed, percentage of normal.
-    //
-
-    int p = M_CheckParmWithArgs("-speed", 1);
-
-    if (p)
-    {
-        time_scale = M_ParmArgToInt(p);
-        if (time_scale < 10 || time_scale > 1000)
-        {
-            I_Error(
-                "Invalid parameter '%d' for -speed, valid values are 10-1000.",
-                time_scale);
-        }
-    }
-
-    I_SetTimeScale(time_scale);
-
-    setrefreshneeded = true;
-}
-
 static setup_menu_t gen_settings6[] = {
 
     {"Quality of life", S_SKIP | S_TITLE, OFF_CNTR_X, M_SPC},
@@ -3354,7 +3319,7 @@ static setup_menu_t gen_settings6[] = {
     {"Miscellaneous", S_SKIP | S_TITLE, OFF_CNTR_X, M_SPC},
 
     {"Game speed", S_NUM | S_STRICT | S_PCT, OFF_CNTR_X, M_SPC,
-     {"realtic_clock_rate"}, .action = MN_ResetTimeScale},
+     {"realtic_clock_rate"}, .action = G_SetTimeScale},
 
     {"Default Skill", S_CHOICE | S_LEVWARN, OFF_CNTR_X, M_SPC,
      {"default_skill"}, .strings_id = str_default_skill},