diff --git a/include/ChangeLog b/include/ChangeLog
index cd36381ba..19122ed72 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,7 @@
+2004-04-27  Werner Koch  <wk@gnupg.org>
+
+	* mpi.h: Renamed prototype parameter name to avoid gcc warnings.
+
 2004-03-04  David Shaw  <dshaw@jabberwocky.com>
 
 	* iobuf.h: Remove iobuf_set_block_mode() and
diff --git a/include/mpi.h b/include/mpi.h
index 34c0b0223..00313b22d 100644
--- a/include/mpi.h
+++ b/include/mpi.h
@@ -166,7 +166,7 @@ int mpi_gcd( MPI g, MPI a, MPI b );
 
 /*-- mpi-pow.c --*/
 void mpi_pow( MPI w, MPI u, MPI v);
-void mpi_powm( MPI res, MPI base, MPI exp, MPI mod);
+void mpi_powm( MPI res, MPI base, MPI exponent, MPI mod);
 
 /*-- mpi-mpow.c --*/
 void mpi_mulpowm( MPI res, MPI *basearray, MPI *exparray, MPI mod);