2 files changed, 5 insertions, 1 deletions
diff --git a/src/hash/comb4p/comb4p.cpp b/src/hash/comb4p/comb4p.cpp
index 19e23879f..1ea64a5cb 100644
--- a/src/hash/comb4p/comb4p.cpp
+++ b/src/hash/comb4p/comb4p.cpp
@@ -35,7 +35,6 @@ void comb4p_round(MemoryRegion<byte>& out,
 }
 
 Comb4P::Comb4P(HashFunction* h1, HashFunction* h2) :
-   HashFunction(h1->output_length() + h2->output_length()),
    hash1(h1), hash2(h2)
    {
    if(hash1->name() == hash2->name())
diff --git a/src/hash/comb4p/comb4p.h b/src/hash/comb4p/comb4p.h
index 67547f979..73e06c379 100644
--- a/src/hash/comb4p/comb4p.h
+++ b/src/hash/comb4p/comb4p.h
@@ -29,6 +29,11 @@ class BOTAN_DLL Comb4P : public HashFunction
 
       size_t hash_block_size() const;
 
+      size_t output_length() const
+         {
+         return hash1->output_length() + hash2->output_length();
+         }
+
       HashFunction* clone() const
          {
          return new Comb4P(hash1->clone(), hash2->clone());