diff --git a/src/lay/lay/layHelpSource.cc b/src/lay/lay/layHelpSource.cc
index e7b442735..9edce626a 100644
--- a/src/lay/lay/layHelpSource.cc
+++ b/src/lay/lay/layHelpSource.cc
@@ -519,7 +519,7 @@ HelpSource::get_image (const std::string &u)
 {
   QResource res (resource_url (QUrl::fromEncoded (u.c_str ()).path ()));
   if (res.size () == 0) {
-    throw tl::Exception (tl::to_string (QObject::tr ("ERROR: no data found for resource ")) + u);
+    throw tl::Exception (tl::to_string (QObject::tr ("No data found for resource ")) + u);
   }
 
   QByteArray data;
@@ -552,7 +552,7 @@ HelpSource::get_css (const std::string &u)
 
   QResource res (resource_url (QUrl::fromEncoded (u.c_str ()).path ()));
   if (res.size () == 0) {
-    throw tl::Exception (tl::to_string (QObject::tr ("ERROR: no data found for resource ")) + u);
+    throw tl::Exception (tl::to_string (QObject::tr ("No data found for resource ")) + u);
   }
 
   QByteArray data;
diff --git a/src/lay/lay/layResourceHelpProvider.cc b/src/lay/lay/layResourceHelpProvider.cc
index 4e5be5cf3..21c50136b 100644
--- a/src/lay/lay/layResourceHelpProvider.cc
+++ b/src/lay/lay/layResourceHelpProvider.cc
@@ -54,7 +54,7 @@ ResourceHelpProvider::get (lay::HelpSource * /*src*/, const std::string &path) c
   QString qpath = tl::to_qstring (path);
   QResource res (resource_url (qpath));
   if (res.size () == 0) {
-    throw tl::Exception (tl::to_string (QObject::tr ("ERROR: no data found for resource ")) + tl::to_string (res.fileName ()));
+    throw tl::Exception (tl::to_string (QObject::tr ("No data found for resource ")) + tl::to_string (res.fileName ()));
   }
 
   QByteArray data;