diff --git a/CMakeLists.txt b/CMakeLists.txt
index ec4087aa..154a29da 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -445,7 +445,7 @@ else()
   try_run(RUNA RUNB ${BINARY_DIR}/CMakeTmp ${SOURCE_DIR}/src/sourcery.cpp )
 endif()
 
-if("${RUNA}" EQUAL "2")
+if("${RUNA}" EQUAL "42")
   message("Not cross compiling - building sourcery")
   add_executable(sourcery
     src/sourcery.cpp
diff --git a/src/sourcery.cpp b/src/sourcery.cpp
index 1e54343d..4cf00b8c 100644
--- a/src/sourcery.cpp
+++ b/src/sourcery.cpp
@@ -8,7 +8,7 @@
 int main(int argc, char* argv[]){
   if (argc < 4) {
     std::cerr << "Usage: " << argv[0] << " <inputFile> <variableName> <outputFile>" << std::endl;
-    return 2;
+    return 42;
   }
   std::ofstream tmp(argv[3]);
   //begin the first line