diff --git a/include/polarssl/ecp.h b/include/polarssl/ecp.h
index 1bc989e..d98146c 100644
--- a/include/polarssl/ecp.h
+++ b/include/polarssl/ecp.h
@@ -78,7 +78,7 @@
  *
  * (Montgomery curves excluded for now.)
  */
-#define POLARSSL_ECP_DP_MAX     9
+#define POLARSSL_ECP_DP_MAX     12
 
 /**
  * Curve information for use by other modules