diff --git a/src/view/grid/GridAccount.cpp b/src/view/grid/GridAccount.cpp
index fb5885c..19ad49a 100644
--- a/src/view/grid/GridAccount.cpp
+++ b/src/view/grid/GridAccount.cpp
@@ -705,6 +705,11 @@ void GridAccount::OnOperationModified(wxGridEvent& event)
     if (value.Length())
     {
         value.ToDouble(&new_op.amount);
+	if (new_op.amount < 0)
+	{
+	    new_op.amount *= -1.0;
+	    SetCellValue(row, DEBIT, wxString::Format(wxT("%.2lf"), new_op.amount));
+	}
 	if (new_op.amount != 0.0) new_op.amount *= -1.0;
         op_complete--;
 	wxGridCellFormulaEditor* pEditor = (wxGridCellFormulaEditor*) GetCellEditor(row, DEBIT);
@@ -712,17 +717,21 @@ void GridAccount::OnOperationModified(wxGridEvent& event)
 	pEditor->DecRef();
     }
 
-    value = GetCellValue(row, CREDIT);
+    value = GetCellValue(row, CREDIT); 
     if (value.Length())
     {
         value.ToDouble(&new_op.amount);
+	if (new_op.amount < 0)
+	{
+	    new_op.amount *= -1.0;
+	    SetCellValue(row, CREDIT, wxString::Format(wxT("%.2lf"), new_op.amount));
+	}
         op_complete--;
 	wxGridCellFormulaEditor* pEditor = (wxGridCellFormulaEditor*) GetCellEditor(row, CREDIT);
 	new_op.formula = pEditor->GetFormula();
 	pEditor->DecRef();
     }
 
-    if (new_op.amount < 0) new_op.amount *= -1;
 
     value = GetCellValue(row, CATEGORY);
     if (value.Length())