diff --git a/ext/dtls/gstdtlscertificate.c b/ext/dtls/gstdtlscertificate.c
index c1c96020f2..c2d9bb217f 100644
--- a/ext/dtls/gstdtlscertificate.c
+++ b/ext/dtls/gstdtlscertificate.c
@@ -207,12 +207,13 @@ init_generated (GstDtlsCertificate * self)
   rsa = RSA_new ();
   if (rsa != NULL) {
     BIGNUM *e = BN_new ();
-    if (e != NULL && BN_set_word (e, RSA_F4)
-        && RSA_generate_key_ex (rsa, 2048, e, NULL)) {
+    if (e == NULL || !BN_set_word (e, RSA_F4)
+        || !RSA_generate_key_ex (rsa, 2048, e, NULL)) {
       RSA_free (rsa);
       rsa = NULL;
     }
-    BN_free (e);
+    if (e)
+      BN_free (e);
   }
 #endif