diff --git a/Geo/GModelIO_OCC.cpp b/Geo/GModelIO_OCC.cpp
index fd7acd4a1b6f1fcf399a965451cbd86054641a7a..83c327154adb3df54de0c5180b2dcc94302326e2 100644
--- a/Geo/GModelIO_OCC.cpp
+++ b/Geo/GModelIO_OCC.cpp
@@ -49,7 +49,7 @@
 
 OCC_Internals::OCC_Internals()
 {
-  for(int i = 0; i < 4; i++)
+  for(int i = 0; i < 6; i++)
     _maxTagConstraints[i] = 0;
 }