diff --git a/CMakeLists.txt b/CMakeLists.txt
index aabc3af..ba60d21 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -19,7 +19,7 @@ set_target_properties(minitar PROPERTIES C_STANDARD_REQUIRED ON)
 if (MSVC)
     target_compile_options(minitar PRIVATE /W4 /WX)
 else()
-    target_compile_options(minitar PRIVATE -Wall -Wextra -pedantic -Werror -ansi)
+    target_compile_options(minitar PRIVATE -Wall -Wextra -pedantic -Werror)
 endif()
 
 install(TARGETS minitar DESTINATION lib)
diff --git a/src/util.c b/src/util.c
index 7d1bbd3..93ea2a0 100644
--- a/src/util.c
+++ b/src/util.c
@@ -3,10 +3,15 @@
 #include "tar.h"
 #include <stdio.h>
 #include <stdlib.h>
-#include <stdnoreturn.h>
 #include <string.h>
 
-#ifndef _MSC_VER
+#ifndef __TINYC__
+#include <stdnoreturn.h>
+#else
+#define noreturn _Noreturn
+#endif
+
+#if !defined(_MSC_VER) && !defined(__TINYC__)
 #define WEAK __attribute__((weak))
 #else
 #define WEAK