diff --git a/wgpu-hal/src/metal/adapter.rs b/wgpu-hal/src/metal/adapter.rs
index 2c3700bd8..cddba472b 100644
--- a/wgpu-hal/src/metal/adapter.rs
+++ b/wgpu-hal/src/metal/adapter.rs
@@ -817,6 +817,10 @@ impl super::PrivateCapabilities {
                 && (device.supports_family(MTLGPUFamily::Metal3)
                     || device.supports_family(MTLGPUFamily::Mac2)
                     || device.supports_family(MTLGPUFamily::Apple7)),
+            // https://developer.apple.com/metal/Metal-Feature-Set-Tables.pdf#page=5
+            int64: family_check
+                && (device.supports_family(MTLGPUFamily::Apple3)
+                    || device.supports_family(MTLGPUFamily::Metal3)),
         }
     }
 
@@ -890,7 +894,7 @@ impl super::PrivateCapabilities {
         }
         features.set(
             F::SHADER_INT64,
-            self.msl_version >= MTLLanguageVersion::V2_3,
+            self.int64 && self.msl_version >= MTLLanguageVersion::V2_3,
         );
 
         features.set(
diff --git a/wgpu-hal/src/metal/mod.rs b/wgpu-hal/src/metal/mod.rs
index bf2b6d8a5..72a19b2fc 100644
--- a/wgpu-hal/src/metal/mod.rs
+++ b/wgpu-hal/src/metal/mod.rs
@@ -270,6 +270,7 @@ struct PrivateCapabilities {
     has_unified_memory: Option<bool>,
     timestamp_query_support: TimestampQuerySupport,
     supports_simd_scoped_operations: bool,
+    int64: bool,
 }
 
 #[derive(Clone, Debug)]