diff --git a/tasks/configure.yml b/tasks/configure.yml
index 8e55191..315a088 100644
--- a/tasks/configure.yml
+++ b/tasks/configure.yml
@@ -14,7 +14,7 @@
 
 - name: Set private key variable
   set_fact:
-    private_key: "{{ private_key_slurp.content | b64decode }}"
+    private_key: "{{ private_key_slurp.content | b64decode | trim}}"
 
 - name: Register public key
   slurp: