diff --git a/Labels.txt b/Labels.txt
index dace850..71b231c 100644
--- a/Labels.txt
+++ b/Labels.txt
@@ -168,6 +168,7 @@ loom
 lucifer
 lulu
 macfuse
+macports
 malwarebytes
 mattermost
 menumeters
diff --git a/fragments/header.sh b/fragments/header.sh
index a845b98..476d54e 100644
--- a/fragments/header.sh
+++ b/fragments/header.sh
@@ -164,6 +164,8 @@ REOPEN="yes"
 # - archiveName: (optional)
 #   The name of the downloaded file.
 #   When not given the archiveName is derived from the $name.
+#   Note: This has to be defined BEFORE calling downloadURLFromGit or
+#   versionFromGit functions in the label.
 #
 # - appName: (optional)
 #   File name of the app bundle in the dmg to verify and copy (include .app).
diff --git a/fragments/labels/macports.sh b/fragments/labels/macports.sh
new file mode 100644
index 0000000..6a473a1
--- /dev/null
+++ b/fragments/labels/macports.sh
@@ -0,0 +1,23 @@
+macports)
+    name="MacPorts"
+    type="pkg"
+    #buildVersion=$(uname -r | cut -d '.' -f 1)
+    case $(uname -r | cut -d '.' -f 1) in
+        21)
+            archiveName="Monterey.pkg"
+            ;;
+        20)
+            archiveName="BigSur.pkg"
+            ;;
+        19)
+            archiveName="Catalina.pkg"
+            ;;
+        *)
+            cleanupAndExit 1 "macOS 10.14 or earlier not supported by Installomator."
+            ;;
+    esac
+    downloadURL=$(downloadURLFromGit macports macports-base)
+    appNewVersion=$(versionFromGit macports macports-base)
+    appCustomVersion(){ if [ -x /opt/local/bin/port ]; then /opt/local/bin/port version | awk '{print $2}'; else "0"; fi }
+    expectedTeamID="QTA3A3B7F3"
+    ;;