diff --git a/radeon-profile/dxorg.cpp b/radeon-profile/dxorg.cpp
index c8d419f..7b9f989 100644
--- a/radeon-profile/dxorg.cpp
+++ b/radeon-profile/dxorg.cpp
@@ -61,7 +61,7 @@ QString getValueFromSysFsFile(QString fileName) {
     QString value("-1");
 
     if (f.open(QIODevice::ReadOnly))
-        value = QString(f.readAll()).trimmed();
+        value = QString(f.readAll().replace('\0', "")).trimmed();
 
     f.close();
     return value;