diff --git a/src/libstrongswan/plugins/x509/x509_ocsp_response.c b/src/libstrongswan/plugins/x509/x509_ocsp_response.c
index eef01eca2..23b206fb1 100644
--- a/src/libstrongswan/plugins/x509/x509_ocsp_response.c
+++ b/src/libstrongswan/plugins/x509/x509_ocsp_response.c
@@ -373,6 +373,10 @@ static bool parse_singleResponse(private_x509_ocsp_response_t *this,
 		}
 		this->responses->insert_last(this->responses, response);
 	}
+	else
+	{
+		free(response);
+	}
 	return success;
 }