diff --git a/legacy/embryo/include/default.inc b/legacy/embryo/include/default.inc
index 6315ef8f27..36a477f26d 100644
--- a/legacy/embryo/include/default.inc
+++ b/legacy/embryo/include/default.inc
@@ -68,7 +68,7 @@ native       fnmatch(glob[], str[]);
 /* same as strcmp() */
 native       strcmp(str1[], str2[]);
 /* same as strncmp */
-native       strncmp(str1[], str2[]);
+native       strncmp(str1[], str2[], n);
 /* same as strcpy */
 native       strcpy(dst[], src[]);
 /* same as strncpy  except it nul terminates */