diff --git a/pkg/macos/foundation/number.zig b/pkg/macos/foundation/number.zig
index eec9f076a..88bf9edf6 100644
--- a/pkg/macos/foundation/number.zig
+++ b/pkg/macos/foundation/number.zig
@@ -15,7 +15,7 @@ pub const Number = opaque {
         )))) orelse Allocator.Error.OutOfMemory;
     }
 
-    pub fn getValue(self: *Number, comptime t: NumberType, ptr: *t.ValueType()) bool {
+    pub fn getValue(self: *const Number, comptime t: NumberType, ptr: *t.ValueType()) bool {
         return c.CFNumberGetValue(
             @ptrCast(self),
             @intFromEnum(t),
diff --git a/pkg/macos/text/font.zig b/pkg/macos/text/font.zig
index 7d8ca243c..c08e8ee14 100644
--- a/pkg/macos/text/font.zig
+++ b/pkg/macos/text/font.zig
@@ -145,7 +145,7 @@ pub const Font = opaque {
         );
     }
 
-    pub fn copyAttribute(self: *Font, comptime attr: text.FontAttribute) attr.Value() {
+    pub fn copyAttribute(self: *Font, comptime attr: text.FontAttribute) ?attr.Value() {
         return @ptrFromInt(@intFromPtr(c.CTFontCopyAttribute(
             @ptrCast(self),
             @ptrCast(attr.key()),
diff --git a/pkg/macos/text/font_descriptor.zig b/pkg/macos/text/font_descriptor.zig
index fa4fba1ea..3b4928a6e 100644
--- a/pkg/macos/text/font_descriptor.zig
+++ b/pkg/macos/text/font_descriptor.zig
@@ -54,7 +54,7 @@ pub const FontDescriptor = opaque {
         c.CFRelease(self);
     }
 
-    pub fn copyAttribute(self: *const FontDescriptor, comptime attr: FontAttribute) attr.Value() {
+    pub fn copyAttribute(self: *const FontDescriptor, comptime attr: FontAttribute) ?attr.Value() {
         return @ptrFromInt(@intFromPtr(c.CTFontDescriptorCopyAttribute(
             @ptrCast(self),
             @ptrCast(attr.key()),
@@ -153,7 +153,7 @@ pub const FontAttribute = enum {
             .enabled => *foundation.Number,
             .downloadable => *anyopaque, // CFBoolean
             .downloaded => *anyopaque, // CFBoolean
-            .variation_axes => ?*foundation.Array,
+            .variation_axes => *foundation.Array,
         };
     }
 };