diff --git a/src/common-ssh/guac_ssh_key.c b/src/common-ssh/guac_ssh_key.c
index adbe0412..6c374e35 100644
--- a/src/common-ssh/guac_ssh_key.c
+++ b/src/common-ssh/guac_ssh_key.c
@@ -150,6 +150,7 @@ void guac_common_ssh_key_free(guac_common_ssh_key* key) {
     else if (key->type == SSH_KEY_DSA)
         DSA_free(key->dsa);
 
+    free(key->private_key);
     free(key->public_key);
     free(key);
 }