diff --git a/src/pki/commands/pkcs7.c b/src/pki/commands/pkcs7.c
index 3d53ace00..9f167d376 100644
--- a/src/pki/commands/pkcs7.c
+++ b/src/pki/commands/pkcs7.c
@@ -295,6 +295,7 @@ static int pkcs7()
 		switch (command_getopt(&arg))
 		{
 			case 'h':
+				creds->destroy(creds);
 				return command_usage(NULL);
 			case 'i':
 				file = arg;