diff --git a/lib/std/zig/c_translation.zig b/lib/std/zig/c_translation.zig
index 348e3a71331e1d6b62b5a593f1973a3384b4e252..6847a92eae9258a4da8d1aee88a94210e63f1096 100644
--- a/lib/std/zig/c_translation.zig
+++ b/lib/std/zig/c_translation.zig
@@ -268,7 +268,7 @@ test "sizeof" {
 pub const CIntLiteralRadix = enum { decimal, octal, hexadecimal };
 
 fn PromoteIntLiteralReturnType(comptime SuffixType: type, comptime number: comptime_int, comptime radix: CIntLiteralRadix) type {
-    const signed_decimal = [_]type{ c_int, c_long, c_longlong };
+    const signed_decimal = [_]type{ c_int, c_long, c_longlong, c_ulonglong };
     const signed_oct_hex = [_]type{ c_int, c_uint, c_long, c_ulong, c_longlong, c_ulonglong };
     const unsigned = [_]type{ c_uint, c_ulong, c_ulonglong };
 
diff --git a/test/behavior/translate_c_macros.h b/test/behavior/translate_c_macros.h
index 526ab32abcc3ef50aae4b3e82e3d65107816617f..222a7ded6c4b061c3f9d7d7ac5057d8e6c3404ed 100644
--- a/test/behavior/translate_c_macros.h
+++ b/test/behavior/translate_c_macros.h
@@ -48,3 +48,5 @@ typedef _Bool uintptr_t;
 
 #define CAST_TO_BOOL(X) (_Bool)(X)
 #define CAST_TO_UINTPTR(X) (uintptr_t)(X)
+
+#define LARGE_INT 18446744073709550592
diff --git a/test/behavior/translate_c_macros.zig b/test/behavior/translate_c_macros.zig
index 705c60aa4e2a7b848706d4dbd6aa7d1cf6db8d60..a23907c88f3b0d7e915eb30d01d120e5580e4c68 100644
--- a/test/behavior/translate_c_macros.zig
+++ b/test/behavior/translate_c_macros.zig
@@ -113,3 +113,7 @@ test "cast functions" {
     try expectEqual(true, h.CAST_TO_BOOL(S.foo));
     try expect(h.CAST_TO_UINTPTR(S.foo) != 0);
 }
+
+test "large integer macro" {
+    try expectEqual(@as(c_ulonglong, 18446744073709550592), h.LARGE_INT);
+}