diff --git a/changelog.md b/changelog.md
index d58d27a..30faeb6 100644
--- a/changelog.md
+++ b/changelog.md
@@ -2,6 +2,7 @@
 
 - Added buyUpgrade function (buyUpg still works though)
 - Added author name to modInfo.
+- Fix to crash caused when the name of a subtab or microtab is changed.
 - Fixes to outdated information in docs.
 - Improvements to Discord links.
 - Thank you to thepaperpilot for contributing to this update!
diff --git a/js/utils.js b/js/utils.js
index 98832a0..3cb85c0 100644
--- a/js/utils.js
+++ b/js/utils.js
@@ -157,6 +157,15 @@ function fixSave() {
 	{
 		if (player[layer].best !== undefined) player[layer].best = new Decimal (player[layer].best)
 		if (player[layer].total !== undefined) player[layer].total = new Decimal (player[layer].total)
+
+		if (layers[layer].tabFormat && !Array.isArray(layers[layer].tabFormat)) {
+		
+			if(!Object.keys(layers[layer].tabFormat).includes(player.subtabs[layer].mainTabs)) player.subtabs[layer].mainTabs = Object.keys(layers[layer].tabFormat)[0]
+		}
+		if (layers[layer].microtabs) {
+			for (item in layers[layer].microtabs)
+				if(!Object.keys(layers[layer].microtabs[item]).includes(player.subtabs[layer][item])) player.subtabs[layer][item] = Object.keys(layers[layer].microtabs[item])[0]
+		}
 	}
 }