diff --git a/src/Mod/Spreadsheet/App/PropertySheet.cpp b/src/Mod/Spreadsheet/App/PropertySheet.cpp
index 3b13d77c6b..d224a5a2b2 100644
--- a/src/Mod/Spreadsheet/App/PropertySheet.cpp
+++ b/src/Mod/Spreadsheet/App/PropertySheet.cpp
@@ -388,7 +388,7 @@ void PropertySheet::pasteCells(XMLReader &reader, Range dstRange) {
     int dstCols = dstRange.colCount();
     CellAddress dstFrom = dstRange.from();
 
-    int roffset,coffset;
+    int roffset=0,coffset=0;
 
     AtomicPropertyChange signaller(*this);
     for(int ri=0; ri < rangeCount; ++ri) {