2 files changed, 1 insertions, 1 deletions
diff --git a/src/mac/x919_mac/x919_mac.cpp b/src/mac/x919_mac/x919_mac.cpp
index bd53a6c7d..fcbe77537 100644
--- a/src/mac/x919_mac/x919_mac.cpp
+++ b/src/mac/x919_mac/x919_mac.cpp
@@ -85,7 +85,6 @@ MessageAuthenticationCode* ANSI_X919_MAC::clone() const
 * ANSI X9.19 MAC Constructor
 */
 ANSI_X919_MAC::ANSI_X919_MAC(BlockCipher* e_in) :
-   MessageAuthenticationCode(e_in->block_size()),
    e(e_in), d(e->clone()), state(e->block_size()), position(0)
    {
    if(e->name() != "DES")
diff --git a/src/mac/x919_mac/x919_mac.h b/src/mac/x919_mac/x919_mac.h
index 600955919..58a005e0b 100644
--- a/src/mac/x919_mac/x919_mac.h
+++ b/src/mac/x919_mac/x919_mac.h
@@ -21,6 +21,7 @@ class BOTAN_DLL ANSI_X919_MAC : public MessageAuthenticationCode
    public:
       void clear();
       std::string name() const;
+      size_t output_length() const { return e->block_size(); }
       MessageAuthenticationCode* clone() const;
 
       Key_Length_Specification key_spec() const