diff --git a/src/config/Config.zig b/src/config/Config.zig
index 9ee818b8b..e68ad3da8 100644
--- a/src/config/Config.zig
+++ b/src/config/Config.zig
@@ -3478,10 +3478,17 @@ pub const RepeatableString = struct {
     /// Deep copy of the struct. Required by Config.
     pub fn clone(self: *const Self, alloc: Allocator) Allocator.Error!Self {
         // Copy the list and all the strings in the list.
-        const list = try self.list.clone(alloc);
-        for (list.items) |*item| {
-            const copy = try alloc.dupeZ(u8, item.*);
-            item.* = copy;
+        var list = try std.ArrayListUnmanaged([:0]const u8).initCapacity(
+            alloc,
+            self.list.items.len,
+        );
+        errdefer {
+            for (list.items) |item| alloc.free(item);
+            list.deinit(alloc);
+        }
+        for (self.list.items) |item| {
+            const copy = try alloc.dupeZ(u8, item);
+            list.appendAssumeCapacity(copy);
         }
 
         return .{ .list = list };
diff --git a/src/renderer/Metal.zig b/src/renderer/Metal.zig
index 7b1b83b8d..fbd6c401b 100644
--- a/src/renderer/Metal.zig
+++ b/src/renderer/Metal.zig
@@ -379,7 +379,7 @@ pub const DerivedConfig = struct {
         const custom_shaders = try config.@"custom-shader".clone(alloc);
 
         // Copy our font features
-        const font_features = try config.@"font-feature".list.clone(alloc);
+        const font_features = try config.@"font-feature".clone(alloc);
 
         // Get our font styles
         var font_styles = font.CodepointResolver.StyleStatus.initFill(true);
@@ -398,7 +398,7 @@ pub const DerivedConfig = struct {
         return .{
             .background_opacity = @max(0, @min(1, config.@"background-opacity")),
             .font_thicken = config.@"font-thicken",
-            .font_features = font_features,
+            .font_features = font_features.list,
             .font_styles = font_styles,
 
             .cursor_color = if (!cursor_invert and config.@"cursor-color" != null)
diff --git a/src/renderer/OpenGL.zig b/src/renderer/OpenGL.zig
index 6749645ef..481f5b0db 100644
--- a/src/renderer/OpenGL.zig
+++ b/src/renderer/OpenGL.zig
@@ -290,7 +290,7 @@ pub const DerivedConfig = struct {
         const custom_shaders = try config.@"custom-shader".clone(alloc);
 
         // Copy our font features
-        const font_features = try config.@"font-feature".list.clone(alloc);
+        const font_features = try config.@"font-feature".clone(alloc);
 
         // Get our font styles
         var font_styles = font.CodepointResolver.StyleStatus.initFill(true);
@@ -309,7 +309,7 @@ pub const DerivedConfig = struct {
         return .{
             .background_opacity = @max(0, @min(1, config.@"background-opacity")),
             .font_thicken = config.@"font-thicken",
-            .font_features = font_features,
+            .font_features = font_features.list,
             .font_styles = font_styles,
 
             .cursor_color = if (!cursor_invert and config.@"cursor-color" != null)