diff --git a/tools/mknmlist b/tools/mknmlist
index 79f6af655..ab2d1cd7a 100644
--- a/tools/mknmlist
+++ b/tools/mknmlist
@@ -16,6 +16,7 @@ BEGIN {
  builtin["malloc"] =	"void *malloc()";
  builtin["memcpy"] =	"void *memcpy()";
  builtin["memset"] =	"void *memset()";
+ builtin["memmove"] =	"void *memmove()";
  builtin["strcpy"] =	"char *strcpy()";
  builtin[""] = 	"";
 }
diff --git a/tools/mknmlist-ansi b/tools/mknmlist-ansi
index 3555ea5d8..7a8234686 100644
--- a/tools/mknmlist-ansi
+++ b/tools/mknmlist-ansi
@@ -27,6 +27,7 @@ BEGIN {
  builtin["malloc"] =	"void *malloc()";
  builtin["memcpy"] =	"void *memcpy()";
  builtin["memset"] =	"void *memset()";
+ builtin["memmove"] =	"void *memmove()";
  builtin["strcpy"] =	"char *strcpy()";
 #
  builtin["sin"] =	"double sin()";