diff --git a/src/freedombone-image b/src/freedombone-image
index a41da2b6f3c95aa7b38f2c418430a8ae01d89685..d5166473bdbefd664f9307429206816d5c3251ef 100755
--- a/src/freedombone-image
+++ b/src/freedombone-image
@@ -63,7 +63,8 @@ GENERIC_IMAGE_PASSWORD='freedombone'
 IMAGE_TYPE='beagleboneblack'
 CURR_DIR=$(pwd)
 CURR_USER="$USER"
-TEMPBUILD_DIR=~/.tmp_${PROJECT_NAME}_build
+UNIQUE_ID=$(openssl rand -base64 32 | tr -dc A-Za-z0-9 | head -c 10 ; echo -n '')
+TEMPBUILD_DIR=~/.tmp_${PROJECT_NAME}_build_${UNIQUE_ID}
 VMDEBOOTSTRAP_REPO=git://git.liw.fi/vmdebootstrap
 VMDEBOOTSTRAP_VERSION=0.8
 MAKEFILE=${PROJECT_NAME}-image-makefile