diff --git a/packages/tcl/build.sh b/packages/tcl/build.sh
index 0c6cbba78..70ee5db5f 100644
--- a/packages/tcl/build.sh
+++ b/packages/tcl/build.sh
@@ -25,7 +25,7 @@ termux_step_pre_configure () {
 
 termux_step_post_make_install () {
 	# expect needs private headers
-	make install_private_headers
+	make install-private-headers
 	local _MAJOR_VERSION=${TERMUX_PKG_VERSION:0:3}
 	cd $TERMUX_PREFIX/bin
 	ln -f -s tclsh$_MAJOR_VERSION tclsh