diff --git a/src/op/op.c b/src/op/op.c
index 17f101834a..838b2a3fd3 100644
--- a/src/op/op.c
+++ b/src/op/op.c
@@ -377,7 +377,7 @@ ompi_op_t ompi_mpi_op_replace = {
 /*
  * Map from ddt->id to position in op function pointer array
  */
-OMPI_DECLSPEC int ompi_op_ddt_map[DT_MAX_PREDEFINED];
+int ompi_op_ddt_map[DT_MAX_PREDEFINED];
 
 
 /*