diff --git a/autotests/run.bat b/autotests/run.bat
index 831bcac9..3f7ccf79 100644
--- a/autotests/run.bat
+++ b/autotests/run.bat
@@ -66,7 +66,7 @@ setlocal
   set CPP=%~n1.cpp
 
   ..\bin\srefc-core %1 2> __error.txt
-  if errorlevel 1 (
+  if errorlevel 100 (
     echo COMPILER ON %1 FAILS, SEE __error.txt
     exit
   )
diff --git a/autotests/run.sh b/autotests/run.sh
index 1a358969..531deab4 100755
--- a/autotests/run.sh
+++ b/autotests/run.sh
@@ -43,7 +43,7 @@ run_test_aux.BAD-SYNTAX() {
   EXE=${SREF%%.sref}
 
   ../bin/srefc-core $SREF 2>__error.txt
-  if [ $? -gt 0 ]; then
+  if [ $? -ge 100 ]; then
     echo COMPILER ON $SREF FAILS, SEE __error.txt
     exit
   fi
diff --git a/src/srlib/refalrts.cpp b/src/srlib/refalrts.cpp
index db2c6d4c..f4479d4f 100644
--- a/src/srlib/refalrts.cpp
+++ b/src/srlib/refalrts.cpp
@@ -2864,16 +2864,16 @@ int main(int argc, char **argv) {
       return 0;
 
     case refalrts::cRecognitionImpossible:
-      return 1;
+      return 101;
 
     case refalrts::cNoMemory:
-      return 2;
+      return 102;
 
     case refalrts::cExit:
       return refalrts::vm::g_ret_code;
 
     default:
-      fprintf(stderr, "INTERNAL ERROR: check switch in main");
-      return 5;
+      fprintf(stderr, "INTERNAL ERROR: check switch in main (res = %d)\n", res);
+      return 105;
   }
 }