diff --git a/core-text/src/font_descriptor.rs b/core-text/src/font_descriptor.rs
index 4a8c67bf..9e6dd60c 100644
--- a/core-text/src/font_descriptor.rs
+++ b/core-text/src/font_descriptor.rs
@@ -311,9 +311,8 @@ impl CTFontDescriptor {
         unsafe {
             let value = CTFontDescriptorCopyAttribute(self.0, kCTFontTraitsAttribute);
             assert!(!value.is_null());
-            let value = CFType::wrap_under_create_rule(value);
-            assert!(value.instance_of::<CFDictionary>());
-            CFDictionary::wrap_under_get_rule(value.as_CFTypeRef() as CFDictionaryRef)
+            // Use wrap_under_create_rule for the dictionary directly to maintain ownership
+            CFDictionary::wrap_under_create_rule(value as CFDictionaryRef)
         }
     }
 
diff --git a/core-text/src/font_manager.rs b/core-text/src/font_manager.rs
index dff0f8d0..ef27bd90 100644
--- a/core-text/src/font_manager.rs
+++ b/core-text/src/font_manager.rs
@@ -21,8 +21,9 @@ pub fn copy_available_font_family_names() -> CFArray<CFString> {
 pub fn create_font_descriptor(buffer: &[u8]) -> Result<CTFontDescriptor, ()> {
     let cf_data = CFData::from_buffer(buffer);
     unsafe {
-        let ct_font_descriptor_ref =
-            CTFontManagerCreateFontDescriptorFromData(cf_data.as_concrete_TypeRef());
+        // Keep cf_data alive by getting the raw pointer within the unsafe block
+        let data_ref = cf_data.as_concrete_TypeRef();
+        let ct_font_descriptor_ref = CTFontManagerCreateFontDescriptorFromData(data_ref);
         if ct_font_descriptor_ref.is_null() {
             return Err(());
         }