diff --git a/crates/compiler/builtins/bitcode/src/utils.zig b/crates/compiler/builtins/bitcode/src/utils.zig
index 3d7733c2e4..78d18b95bf 100644
--- a/crates/compiler/builtins/bitcode/src/utils.zig
+++ b/crates/compiler/builtins/bitcode/src/utils.zig
@@ -337,7 +337,7 @@ inline fn free_ptr_to_refcount(
 
 inline fn decref_ptr_to_refcount(
     refcount_ptr: [*]isize,
-    alignment: u32,
+    element_alignment: u32,
     elements_refcounted: bool,
 ) void {
     if (RC_TYPE == Refcount.none) return;
@@ -346,6 +346,10 @@ inline fn decref_ptr_to_refcount(
         std.debug.print("| decrement {*}: ", .{refcount_ptr});
     }
 
+    // Due to RC alignmen tmust take into acount pointer size.
+    const ptr_width = @sizeOf(usize);
+    const alignment = @max(ptr_width, element_alignment);
+
     // Ensure that the refcount is not whole program lifetime.
     const refcount: isize = refcount_ptr[0];
     if (refcount != REFCOUNT_MAX_ISIZE) {