diff --git a/apps/graph/graph/intersection_graph_controller.cpp b/apps/graph/graph/intersection_graph_controller.cpp
index 2d9a9421a..7d66a3bd4 100644
--- a/apps/graph/graph/intersection_graph_controller.cpp
+++ b/apps/graph/graph/intersection_graph_controller.cpp
@@ -30,9 +30,9 @@ void IntersectionGraphController::reloadBannerView() {
   numberOfChar += legendLength;
   buffer[0] = m_function->name()[0];
   buffer[5] = m_intersectedFunction->name()[0];
-  numberOfChar += Complex<float>::convertFloatToText(m_cursor->y(), buffer+legendLength, PrintFloat::bufferSizeForFloatsWithPrecision(Constant::MediumNumberOfSignificantDigits), Constant::MediumNumberOfSignificantDigits);
+  numberOfChar += Complex<float>::convertFloatToText(m_cursor->y(), buffer+numberOfChar, PrintFloat::bufferSizeForFloatsWithPrecision(Constant::MediumNumberOfSignificantDigits), Constant::MediumNumberOfSignificantDigits);
   strlcpy(buffer+numberOfChar, space, spaceLength+1);
-  buffer[FunctionBannerDelegate::k_maxDigitLegendLength+5] = 0;
+  buffer[FunctionBannerDelegate::k_maxDigitLegendLength+legendLength] = 0;
   bannerView()->setLegendAtIndex(buffer, 1);
 }