diff --git a/nxscript.c b/nxscript.c
index 4e3214c1..9fc7a277 100644
--- a/nxscript.c
+++ b/nxscript.c
@@ -934,6 +934,7 @@ static void putHistogramMemoryChunked(SConnection * pCon,
 }
 
 /*----------------------------------------------------------------------*/
+#define HANUM 3
 static void putSlab(SConnection * pCon, SicsInterp * pSics, pNXScript self,
                     int argc, char *argv[])
 {