diff --git a/build.sh b/build.sh
index 3134330..ffea3fb 100755
--- a/build.sh
+++ b/build.sh
@@ -37,4 +37,9 @@ echo " Dist Dir        : ${DISTDIR}"
 cd ${TCL_ROOT}
 ./configure --prefix=${DISTDIR}
 make install
-cd ${WORLD_ROOT}
\ No newline at end of file
+cd ${WORLD_ROOT}
+
+cd ${TK_ROOT}
+./configure --prefix=${DISTDIR}
+make install
+cd ${WORLD_ROOT}