diff --git a/src/converters/converter.cpp b/src/converters/converter.cpp
index bfa2381..b49e009 100644
--- a/src/converters/converter.cpp
+++ b/src/converters/converter.cpp
@@ -34,7 +34,9 @@ CONVERTER_PRIMITIVE_ST(float, std::stof(std::string{str}));
 CONVERTER_PRIMITIVE_ST(double, std::stod(std::string{str}));
 CONVERTER_PRIMITIVE_ST(long_double, std::stold(std::string{str}));
 
-//CONVERTER_PRIMITIVE_ST(long_long_unsigned_int_t, std::stoull(std::string{str}));
+#if __x86_64__
+CONVERTER_PRIMITIVE_ST(long_long_unsigned_int_t, std::stoull(std::string{str}));
+#endif
 
 CONVERTER_ST(std__string, return std::string{str};, return std::any_cast<std__string>(value););
 CONVERTER_ST(std__string_view, return str;, return std::string{std::any_cast<std__string_view>(value)};);
diff --git a/src/converters/converter.h b/src/converters/converter.h
index 51333e4..761ed4c 100644
--- a/src/converters/converter.h
+++ b/src/converters/converter.h
@@ -52,9 +52,9 @@ namespace ts {
 
     CONVERTER_PRIMITIVE(int64_t);
     CONVERTER_PRIMITIVE(uint64_t);
-
-    //CONVERTER_PRIMITIVE(long_long_unsigned_int_t);
-
+#if __x86_64__
+    CONVERTER_PRIMITIVE(long_long_unsigned_int_t);
+#endif
     typedef std::string std__string;
     typedef std::string_view std__string_view;
     typedef const char* const_char__;