diff --git a/src/frontends/qt4/GuiLog.cpp b/src/frontends/qt4/GuiLog.cpp
index 320b977316..e5a8a96d54 100644
--- a/src/frontends/qt4/GuiLog.cpp
+++ b/src/frontends/qt4/GuiLog.cpp
@@ -40,7 +40,7 @@ namespace frontend {
 // Information
 QRegExp exprInfo("^(Document Class:|LaTeX Font Info:|File:|Package:|Language:|Underfull|Overfull|\\(|\\\\).*$");
 // Warnings
-QRegExp exprWarning("^(LaTeX Warning|Package \\w+ Warning).*$");
+QRegExp exprWarning("^(LaTeX Warning|LaTeX Font Warning|Package [\\w\\.]+ Warning|Class \\w+ Warning).*$");
 // Errors
 QRegExp exprError("^!.*$");