diff --git a/src/cg/cg2103.cpp b/src/cg/cg2103.cpp
index 02f99020a..e539c4860 100755
--- a/src/cg/cg2103.cpp
+++ b/src/cg/cg2103.cpp
@@ -171,13 +171,13 @@ bool TCausale::datareg_prec() const
 bool TCausale::reverse_charge() const
 {
   const int rsi = regime_speciale();
-  return rsi >= 13 || rsi <= 18 || rsi == 50 || rsi == 51;   // Reverse charge!
+  return (rsi >= 13 && rsi <= 18) || rsi == 50 || rsi == 51;   // Reverse charge!
 }
 
 bool TCausale::reverse_charge_pubb() const
 {
 	const int rsi = regime_speciale();
-	return rsi >= 13 || rsi <= 19 || rsi == 50 || rsi == 51;   // Reverse charge!
+	return (rsi >= 13 && rsi <= 19) || rsi == 50 || rsi == 51;   // Reverse charge!
 }
 
 bool TCausale::esclusione_allegati() const