diff --git a/README.md b/README.md
index 1385008..863142d 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,10 @@ portzap is a utility that manages a local copy of the
     # Defaults to "/usr/ports/"
     export PORTZAP_PORTS_DIR=/path/to/ports
 
+* __$PORTZAP_PORTS_DIR__ <br>
+  The directory where the ports collection will be installed. <br>
+  Defaults to /usr/ports.
+
 ## Install
 
 ```
diff --git a/bin/portzap b/bin/portzap
index 439ad4f..1ca0a20 100755
--- a/bin/portzap
+++ b/bin/portzap
@@ -4,7 +4,7 @@
 # Variables
 base_dir=$(dirname "$0")
 ports_url="${PORTZAP_PORTS_URL:-https://git.hardenedbsd.org/hardenedbsd/ports.git}"
-ports_dir="/usr/ports/"
+ports_dir="${PORTZAP_PORTS_DIR:-/usr/ports/}"
 portzap_file="$ports_dir/.portzap"
 portzap_dir="/home/_portzap/ports"
 libexec_dir=$(realpath "$base_dir/../libexec/portzap/")
diff --git a/man/man8/portzap.8 b/man/man8/portzap.8
index 8a09082..d939d54 100644
--- a/man/man8/portzap.8
+++ b/man/man8/portzap.8
@@ -47,8 +47,12 @@ The following variables can be used:
 .It Ev PORTZAP_PORTS_URL
 The URL to a git repository.
 Defaults to https://git.hardenedbsd.org/hardenedbsd/ports.git.
+.It Ev PORTZAP_PORTS_DIR
+The directory where the ports collection will be installed.
+Defaults to
+.Pa /usr/ports.
 .Sh AUTHORS
 The
 .Nm portzap
 utility and this manual page were written by
-0x1eef <0x1eef@protonmail.com> .
+0x1eef <0x1eef@protonmail.com>.