diff --git a/tools/mkexport.sh b/tools/mkexport.sh
index 6b96e272a1d..5f4721d63ae 100755
--- a/tools/mkexport.sh
+++ b/tools/mkexport.sh
@@ -432,7 +432,7 @@ cd "${TOPDIR}" || \
   { echo "MK: 'cd ${TOPDIR}' failed"; exit 1; }
 
 if [ -e "${APPDIR}/Makefile" ]; then
-  "${MAKE}" -C "${TOPDIR}/${APPDIR}" EXPORTDIR="$(cd "${EXPORTSUBDIR}" ; pwd )" TOPDIR="${TOPDIR}" export || \
+  "${MAKE}" -C "${APPDIR}" EXPORTDIR="$(cd "${EXPORTSUBDIR}" ; pwd )" TOPDIR="${TOPDIR}" export || \
       { echo "MK: call make export for APPDIR not supported"; }
 fi