diff --git a/interface/zimatcopy.c b/interface/zimatcopy.c
index b1e1d15dc..0bb0e4eed 100644
--- a/interface/zimatcopy.c
+++ b/interface/zimatcopy.c
@@ -251,7 +251,7 @@ void CNAME( enum CBLAS_ORDER CORDER, enum CBLAS_TRANSPOSE CTRANS, blasint crows,
 		}
 
 	}
-
+	free(b);
 	return;
 
 }