diff --git a/tests/testprofile.cpp b/tests/testprofile.cpp
index 6dd9e898e..e650bd1cf 100644
--- a/tests/testprofile.cpp
+++ b/tests/testprofile.cpp
@@ -18,6 +18,8 @@
 
 void TestProfile::init()
 {
+	setlocale(LC_ALL, "C");
+
 	// Set UTF8 text codec as in real applications
 	QTextCodec::setCodecForLocale(QTextCodec::codecForMib(106));
 	// first, setup the preferences