diff --git a/matrix/libmatrix.a b/matrix/libmatrix.a
index 6107b71c..23564feb 100644
Binary files a/matrix/libmatrix.a and b/matrix/libmatrix.a differ
diff --git a/sics.h b/sics.h
index a2dc465f..d32d24b8 100644
--- a/sics.h
+++ b/sics.h
@@ -17,7 +17,7 @@
 
 /* the following line suppresses const declarations in tcl.h.
    -> makes the compiler happy M.Z. */
-#define NO_CONST
+/* #define NO_CONST */
 
 #include <stdlib.h>
 #include <string.h>