diff --git a/tests/testSignalDecoder/tests.cpp b/tests/testSignalDecoder/tests.cpp
index 7781dabb..921a8932 100644
--- a/tests/testSignalDecoder/tests.cpp
+++ b/tests/testSignalDecoder/tests.cpp
@@ -1456,7 +1456,7 @@ namespace arduino {
 			int msgStartPos = outputStr.find_first_of(MSG_START) + 1;
 			int msgEndPos = outputStr.find_first_of(MSG_END, msgStartPos);
 			std::string Message = outputStr.substr(msgStartPos, msgEndPos - msgStartPos);
-			std::string bstr = "MS;P1=-8055;P2=488;P3=-2049;P4=-3956;D=21232324232323232323242323242323242323232424242324242323232323232323232323232324242324;CP=2;SP=1;R=31;O;m2;";
+			std::string bstr = "MS;P0=488;P1=-8055;P2=-2049;P3=-3956;D=0101020203020202020202030202030202030202020303030203030202020202020202020202020203030203;CP=0;SP=1;O;m2;";
 			ASSERT_STREQ(Message.c_str(), bstr.c_str());  
 		}