diff --git a/src/gui/partwidgetbase.cpp b/src/gui/partwidgetbase.cpp
index 05f5814..544b047 100644
--- a/src/gui/partwidgetbase.cpp
+++ b/src/gui/partwidgetbase.cpp
@@ -32,7 +32,7 @@ T sum(const QList<T>& list)
 {
     T rval = 0;
     foreach(const T & val, list)
-    rval += val;
+        rval += val;
     return rval;
 }