diff --git a/src/IntAna/IntAna_Curve.cxx b/src/IntAna/IntAna_Curve.cxx
index 98151d057a..d21ff7c84a 100755
--- a/src/IntAna/IntAna_Curve.cxx
+++ b/src/IntAna/IntAna_Curve.cxx
@@ -422,6 +422,7 @@
     break;
 
   default:
+    return Standard_False;
     break;
   }
   //