diff --git a/ansible/files/bluetooth-mac.bash b/ansible/files/bluetooth-mac.bash
index 7661542..f19dd8a 100644
--- a/ansible/files/bluetooth-mac.bash
+++ b/ansible/files/bluetooth-mac.bash
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
 set -x
 rfkill unblock bluetooth
-echo $"stdin for btmgmt" | btmgmt -i hci0 public-addr $(hciconfig hci0 | grep -o $"[[:xdigit:]:]\\{11,17\\}")'
+echo $"stdin for btmgmt" | btmgmt -i hci0 public-addr $(hciconfig hci0 | grep -o $"[[:xdigit:]:]\\{11,17\\}")
 # btmgmt requires stdin, so we feed it some garbage...