diff --git a/programs/pkey/gen_key.c b/programs/pkey/gen_key.c
index 48126948d..547426813 100644
--- a/programs/pkey/gen_key.c
+++ b/programs/pkey/gen_key.c
@@ -339,7 +339,7 @@ int main( int argc, char *argv[] )
                           mbedtls_ctr_drbg_random, &ctr_drbg );
         if( ret != 0 )
         {
-            mbedtls_printf( " failed\n  !  mbedtls_rsa_gen_key returned -0x%04x", -ret );
+            mbedtls_printf( " failed\n  !  mbedtls_ecp_gen_key returned -0x%04x", -ret );
             goto exit;
         }
     }