diff --git a/misc/script/install.sh b/misc/script/install.sh
index 6d50dc6..afdf45e 100644
--- a/misc/script/install.sh
+++ b/misc/script/install.sh
@@ -2,7 +2,7 @@
 set -e
 
 FORMIDABLE_RELEASES_URL="https://github.com/Bornholm/formidable/releases"
-FORMIDABLE_DESTDIR="."
+FORMIDABLE_DESTDIR="${FORMIDABLE_DESTDIR:-.}"
 FORMIDABLE_FILE_BASENAME="frmd"
 FORMIDABLE_PLATEFORM_SUFFIX="$(uname -s)_$(uname -m)"
 
@@ -53,4 +53,4 @@ function check_sum {
     set +o pipefail
 }
 
-main $@
\ No newline at end of file
+main $@