diff --git a/cbind/base/psb_c_base.h b/cbind/base/psb_c_base.h
index 708a0e0f..f28f7bbb 100644
--- a/cbind/base/psb_c_base.h
+++ b/cbind/base/psb_c_base.h
@@ -85,6 +85,7 @@ extern "C" {
   psb_i_t    psb_c_cd_get_local_rows(psb_c_descriptor *cd);
   psb_i_t    psb_c_cd_get_local_cols(psb_c_descriptor *cd);
   psb_l_t    psb_c_cd_get_global_rows(psb_c_descriptor *cd);
+  psb_l_t    psb_c_cd_get_global_cols(psb_c_descriptor *cd);
   psb_i_t    psb_c_cd_get_global_indices(psb_l_t idx[], psb_i_t nidx, bool owned, psb_c_descriptor *cd);
   psb_i_t    psb_c_g2l(psb_c_descriptor *cdh,psb_l_t gindex,bool cowned);