diff --git a/build-package.sh b/build-package.sh
index f0f11903b1..5addc35c41 100755
--- a/build-package.sh
+++ b/build-package.sh
@@ -821,7 +821,7 @@ termux_step_massage() {
 	if [ -d include ] && [ -z "${TERMUX_PKG_NO_DEVELSPLIT}" ]; then
 		# Add virtual -dev sub package if there are include files:
 		local _DEVEL_SUBPACKAGE_FILE=$TERMUX_PKG_TMPDIR/${TERMUX_PKG_NAME}-dev.subpackage.sh
-		echo TERMUX_SUBPKG_INCLUDE=\"include share/man/man3 lib/pkgconfig share/aclocal $TERMUX_PKG_INCLUDE_IN_DEVPACKAGE\" > "$_DEVEL_SUBPACKAGE_FILE"
+		echo TERMUX_SUBPKG_INCLUDE=\"include share/man/man3 lib/pkgconfig share/aclocal lib/cmake $TERMUX_PKG_INCLUDE_IN_DEVPACKAGE\" > "$_DEVEL_SUBPACKAGE_FILE"
 		echo "TERMUX_SUBPKG_DESCRIPTION=\"Development files for ${TERMUX_PKG_NAME}\"" >> "$_DEVEL_SUBPACKAGE_FILE"
 		if [ -n "$TERMUX_PKG_DEVPACKAGE_DEPENDS" ]; then
 			echo "TERMUX_SUBPKG_DEPENDS=\"$TERMUX_PKG_NAME,$TERMUX_PKG_DEVPACKAGE_DEPENDS\"" >> $_DEVEL_SUBPACKAGE_FILE