diff --git a/libs/libc/include/errno.h b/libs/libc/include/errno.h
index deef29b7..25ae3a94 100644
--- a/libs/libc/include/errno.h
+++ b/libs/libc/include/errno.h
@@ -13,6 +13,7 @@ extern int errno;
 #define EISDIR 21 // Is a directory
 #define EINVAL 22 // Invalid argument
 #define EMFILE 24 // Too many open files
+#define EPIPE 32  // Broken pipe. Not implemented.
 #define ENOSYS 38 // Function not implemented
 
 #endif
\ No newline at end of file