diff --git a/jadx-gui/src/main/java/jadx/gui/settings/JadxSettings.java b/jadx-gui/src/main/java/jadx/gui/settings/JadxSettings.java
index 385ba946c661e29957d2649dcd7dd349a4d7161a..6258da37d06bac627a7401868f82b489e4e07342 100644
--- a/jadx-gui/src/main/java/jadx/gui/settings/JadxSettings.java
+++ b/jadx-gui/src/main/java/jadx/gui/settings/JadxSettings.java
@@ -25,6 +25,7 @@ import com.beust.jcommander.Parameter;
 import jadx.api.JadxArgs;
 import jadx.cli.JadxCLIArgs;
 import jadx.cli.LogHelper;
+import jadx.core.utils.exceptions.JadxRuntimeException;
 import jadx.gui.ui.MainWindow;
 import jadx.gui.ui.codearea.EditorTheme;
 import jadx.gui.utils.FontUtils;
@@ -36,7 +37,7 @@ public class JadxSettings extends JadxCLIArgs {
 
 	private static final Path USER_HOME = Paths.get(System.getProperty("user.home"));
 	private static final int RECENT_PROJECTS_COUNT = 15;
-	private static final int CURRENT_SETTINGS_VERSION = 10;
+	private static final int CURRENT_SETTINGS_VERSION = 11;
 
 	private static final Font DEFAULT_FONT = new RSyntaxTextArea().getFont();
 
@@ -485,6 +486,11 @@ public class JadxSettings extends JadxCLIArgs {
 		if (fromVersion == 10) {
 			srhResourceSkipSize = 3;
 			srhResourceFileExt = ".xml|.html|.js|.json|.txt";
+			fontStr = fontStr.replace('-', '/');
+			fromVersion++;
+		}
+		if (fromVersion != CURRENT_SETTINGS_VERSION) {
+			throw new JadxRuntimeException("Incorrect settings upgrade");
 		}
 		settingsVersion = CURRENT_SETTINGS_VERSION;
 		sync();
diff --git a/jadx-gui/src/main/java/jadx/gui/utils/FontUtils.java b/jadx-gui/src/main/java/jadx/gui/utils/FontUtils.java
index b4a3b974aec71f180a6a859a301eb4a8d3a2e9ac..67b56f8a1f5cbfb6bd9c7e6a528fde71a73b971d 100644
--- a/jadx-gui/src/main/java/jadx/gui/utils/FontUtils.java
+++ b/jadx-gui/src/main/java/jadx/gui/utils/FontUtils.java
@@ -24,7 +24,7 @@ public class FontUtils {
 	}
 
 	public static Font loadByStr(String fontDesc) {
-		String[] parts = fontDesc.split("-");
+		String[] parts = fontDesc.split("/");
 		if (parts.length != 3) {
 			throw new JadxRuntimeException("Unsupported font description format: " + fontDesc);
 		}
@@ -42,8 +42,8 @@ public class FontUtils {
 
 	public static String convertToStr(Font font) {
 		return font.getFontName()
-				+ '-' + convertFontStyleToString(font.getStyle())
-				+ '-' + font.getSize();
+				+ '/' + convertFontStyleToString(font.getStyle())
+				+ '/' + font.getSize();
 	}
 
 	public static String convertFontStyleToString(int style) {