diff --git a/elf.h b/elf.h
index c509760..cb254b1 100644
--- a/elf.h
+++ b/elf.h
@@ -26,7 +26,7 @@
 #else
 #ifndef __int8_t_defined
 #define __int8_t_defined
-typedef	char int8_t;
+typedef signed char int8_t;
 typedef	short int int16_t;
 typedef	int int32_t;
 typedef long long int int64_t;