diff --git a/src/test/scala/millfork/test/emu/ShouldNotCompile.scala b/src/test/scala/millfork/test/emu/ShouldNotCompile.scala
index 5f140c6e..53040acd 100644
--- a/src/test/scala/millfork/test/emu/ShouldNotCompile.scala
+++ b/src/test/scala/millfork/test/emu/ShouldNotCompile.scala
@@ -117,7 +117,11 @@ object ShouldNotCompile extends Matchers {
       case f: Failure[_, _] =>
         println(f.extra.toString)
         println(f.lastParser.toString)
-        log.error("Syntax error: " + parserF.lastLabel, Some(parserF.lastPosition))
+        if (parserF.lastLabel != "") {
+          options.log.error(s"Syntax error: ${parserF.lastLabel} expected", Some(parserF.lastPosition))
+        } else {
+          options.log.error("Syntax error", Some(parserF.lastPosition))
+        }
         fail("syntax error")
     }
   }
diff --git a/src/test/scala/millfork/test/emu/ShouldNotParse.scala b/src/test/scala/millfork/test/emu/ShouldNotParse.scala
index 9fb3ca18..d72156e4 100644
--- a/src/test/scala/millfork/test/emu/ShouldNotParse.scala
+++ b/src/test/scala/millfork/test/emu/ShouldNotParse.scala
@@ -43,7 +43,11 @@ object ShouldNotParse extends Matchers {
       case f: Failure[_, _] =>
         println(f.extra.toString)
         log.warn("Last parser: " + f.lastParser, Some(parserF.indexToPosition(f.index, f.lastParser.toString)))
-        log.warn("Expected syntax error: " + parserF.lastLabel, Some(parserF.lastPosition))
+        if (parserF.lastLabel != "") {
+          log.warn(s"Expected syntax error: ${parserF.lastLabel} expected", Some(parserF.lastPosition))
+        } else {
+          log.warn("Expected syntax error", Some(parserF.lastPosition))
+        }
     }
   }
 }