diff --git a/Utilities/can_moni/Sources/Options_p.cpp b/Utilities/can_moni/Sources/Options_p.cpp
index ed8b3cd..a85c9aa 100644
--- a/Utilities/can_moni/Sources/Options_p.cpp
+++ b/Utilities/can_moni/Sources/Options_p.cpp
@@ -55,7 +55,7 @@ static const char* c_szWarranty = CAN_MONI_WARRANTY;
 static const char* c_szLicense = CAN_MONI_LICENSE;
 static const char* c_szBasename = CAN_MONI_PROGRAM;
 static const char* c_szInterface = "(unknown)";
-static const char* c_szExcludeList = "~0x00-0x7FF";
+static const char* c_szExcludeList = nullptr;
 
 SOptions::SOptions() {
     // to have default bus speed from bit-timing index
diff --git a/Utilities/can_moni/Sources/Options_w.cpp b/Utilities/can_moni/Sources/Options_w.cpp
index 3a232f0..57c3b5f 100644
--- a/Utilities/can_moni/Sources/Options_w.cpp
+++ b/Utilities/can_moni/Sources/Options_w.cpp
@@ -125,7 +125,7 @@ static const char* c_szWarranty = CAN_MONI_WARRANTY;
 static const char* c_szLicense = CAN_MONI_LICENSE;
 static const char* c_szBasename = CAN_MONI_PROGRAM;
 static const char* c_szInterface = "(unknown)";
-static const char* c_szExcludeList = "~0x00-0x7FF";
+static const char* c_szExcludeList = nullptr;
 
 #if (USE_BASENAME != 0)
 static char* basename(char* path);