diff --git a/yadm b/yadm
index 21d4d7c..24ef080 100755
--- a/yadm
+++ b/yadm
@@ -409,6 +409,9 @@ function replace_vars() {
   for (label in c) {
     gsub(("{{" blank "*yadm\\." label blank "*}}"), c[label])
   }
+  for (label in ENVIRON) {
+    gsub(("{{" blank "*env\\." label blank "*}}"), ENVIRON[label])
+  }
 }
 function conditions() {
   pattern = ifs blank "+("