diff --git a/src/ModifyOffsetsDialog.cpp b/src/ModifyOffsetsDialog.cpp
index f9d074d3d..cf736a175 100644
--- a/src/ModifyOffsetsDialog.cpp
+++ b/src/ModifyOffsetsDialog.cpp
@@ -128,7 +128,7 @@ point2_t ModifyOffsetsDialog::getOffset() {
  *******************************************************************/
 int	ModifyOffsetsDialog::getAlignType() {
 	if (opt_auto->GetValue())
-		return combo_aligntype->GetSelection();
+		return combo_aligntype->GetSelection()-1;
 	else
 		return -1;
 }