diff --git a/lib/util/graphs.dart b/lib/util/graphs.dart
index 89696e7..77e5c27 100644
--- a/lib/util/graphs.dart
+++ b/lib/util/graphs.dart
@@ -186,14 +186,16 @@ class ExpensesLineChart extends StatelessWidget {
           topTitles: const AxisTitles(),
           leftTitles: AxisTitles(
             sideTitles: SideTitles(
-              reservedSize: (NumberFormat.compact()
-                              .format(expenseDataSorted.last)
-                              .length >=
-                          5 ||
-                      NumberFormat.compact()
-                              .format(incomeDataSorted.last)
-                              .length >=
-                          5)
+              reservedSize: ((expenseDataSorted.isNotEmpty &&
+                          NumberFormat.compact(locale: locale)
+                                  .format(expenseDataSorted.last)
+                                  .length >=
+                              5) ||
+                      (incomeDataSorted.isNotEmpty &&
+                          NumberFormat.compact(locale: locale)
+                                  .format(incomeDataSorted.last)
+                                  .length >=
+                              5))
                   ? 50
                   : 25,
               showTitles: true,