diff --git a/apps/dsa.c b/apps/dsa.c
index f608d7d..7f98512 100644
--- a/apps/dsa.c
+++ b/apps/dsa.c
@@ -249,6 +249,7 @@
  end:
     BIO_free_all(out);
     DSA_free(dsa);
+    release_engine(e);
     OPENSSL_free(passin);
     OPENSSL_free(passout);
     return (ret);