diff --git a/core/flex/build b/core/flex/build
index c0aa1260..61d7795d 100755
--- a/core/flex/build
+++ b/core/flex/build
@@ -9,3 +9,5 @@
 
 make
 make DESTDIR="$1" install
+
+ln -s flex "$1/usr/bin/lex"
diff --git a/core/flex/version b/core/flex/version
index f8b3069a..030e21af 100644
--- a/core/flex/version
+++ b/core/flex/version
@@ -1 +1 @@
-2.6.4 3
+2.6.4 4