diff --git a/src/frontends/qt4/GuiApplication.cpp b/src/frontends/qt4/GuiApplication.cpp
index 7cb37aa7a2..7430fb57d6 100644
--- a/src/frontends/qt4/GuiApplication.cpp
+++ b/src/frontends/qt4/GuiApplication.cpp
@@ -319,6 +319,7 @@ QString iconName(FuncRequest const & f, bool unknown)
 		if (!f.argument().empty()) {
 			name1 = name2 + ' ' + toqstr(f.argument());
 			name1.replace(' ', '_');
+			name1.replace('\\', "backslash");
 		}
 	}