diff --git a/generator/vulkan/render.zig b/generator/vulkan/render.zig
index 0aea217..4168ca2 100644
--- a/generator/vulkan/render.zig
+++ b/generator/vulkan/render.zig
@@ -677,7 +677,7 @@ fn Renderer(comptime WriterType: type) type {
             const decl = self.resolveDeclaration(field_type_name) orelse return;
             switch (decl.*) {
                 .bitmask => |mask| {
-                    try self.writer.print(" align(@alignOf({s}))", .{bitmaskFlagsType(mask.bitwidth)});
+                    try self.writer.print(" align(@alignOf({s}))", .{try bitmaskFlagsType(mask.bitwidth)});
                 },
                 else => {},
             }