diff --git a/src-self-hosted/translate_c.zig b/src-self-hosted/translate_c.zig
index f7b080a749..b515791f77 100644
--- a/src-self-hosted/translate_c.zig
+++ b/src-self-hosted/translate_c.zig
@@ -669,7 +669,7 @@ fn transTypeDefAsBuiltin(c: *Context, typedef_decl: *const ZigClangTypedefNameDe
 }
 
 fn checkForBuiltinTypedef(checked_name: []const u8) !?[]const u8 {
-    const table = comptime [_][2][]const u8{
+    const table = [_][2][]const u8{
         .{ "uint8_t", "u8" },
         .{ "int8_t", "i8" },
         .{ "uint16_t", "u16" },
@@ -1409,10 +1409,9 @@ fn transDeclStmt(rp: RestorePoint, scope: *Scope, stmt: *const ZigClangDeclStmt)
 
                 const underlying_qual = ZigClangTypedefNameDecl_getUnderlyingType(typedef_decl);
                 const underlying_type = ZigClangQualType_getTypePtr(underlying_qual);
-                const underlying_name = try c.str(ZigClangType_getTypeClassName(underlying_type));
 
                 const mangled_name = try block_scope.makeMangledName(c, name);
-                if (try checkForBuiltinTypedef(underlying_name)) |builtin| {
+                if (try checkForBuiltinTypedef(name)) |builtin| {
                     try block_scope.variables.push(.{
                         .alias = builtin,
                         .name = mangled_name,
diff --git a/test/run_translated_c.zig b/test/run_translated_c.zig
index 83569f1241..7dc64f068f 100644
--- a/test/run_translated_c.zig
+++ b/test/run_translated_c.zig
@@ -245,12 +245,12 @@ pub fn addCases(cases: *tests.RunTranslatedCContext) void {
     , "");
 
     cases.add("scoped typedef",
-        \\#include <stdint.h>
         \\int main(int argc, char **argv) {
         \\  typedef int Foo;
         \\  typedef Foo Bar;
         \\  typedef void (*func)(int);
-        \\  typedef uint32_t Number;
+        \\  typedef int uint32_t;
+        \\  uint32_t a;
         \\  Foo i;
         \\  Bar j;
         \\  return 0;