diff --git a/src/AstGen.zig b/src/AstGen.zig
index 820531097c84ce502938771695c355fac67e6031..1aa70d86a9e6509eae7ac81637777b42fef55643 100644
--- a/src/AstGen.zig
+++ b/src/AstGen.zig
@@ -12095,7 +12095,10 @@ const GenZir = struct {
         return gz.addAsIndex(.{
             .tag = .save_err_ret_index,
             .data = .{ .save_err_ret_index = .{
-                .operand = if (cond == .if_of_error_type) cond.if_of_error_type else .none,
+                .operand = switch (cond) {
+                    .if_of_error_type => |x| x,
+                    else => .none,
+                },
             } },
         });
     }