diff --git a/app/gui/oven_control/haccp.cpp b/app/gui/oven_control/haccp.cpp
index 25b0c52..1d082cd 100644
--- a/app/gui/oven_control/haccp.cpp
+++ b/app/gui/oven_control/haccp.cpp
@@ -457,7 +457,10 @@ void stampEnd()
 
 void stampError(QString error)
 {
-    stamp(QString("END (%1)").arg(error));
+    if (data.type == Engineering)
+        stamp(QString("ERROR (%1)").arg(error));
+    else
+        stamp(QString("END (%1)").arg(error));
 }
 
 void saveData()