diff --git a/apps/graph/graph/graph_controller.cpp b/apps/graph/graph/graph_controller.cpp
index 00d12abf6..6a712cf47 100644
--- a/apps/graph/graph/graph_controller.cpp
+++ b/apps/graph/graph/graph_controller.cpp
@@ -31,6 +31,9 @@ I18n::Message GraphController::emptyMessage() {
 
 void GraphController::viewWillAppear() {
   m_view.drawTangent(false);
+#ifdef GRAPH_CURSOR_SPEEDUP
+  m_cursorView.resetMemoization();
+#endif
   m_view.setCursorView(&m_cursorView);
   FunctionGraphController::viewWillAppear();
   selectFunctionWithCursor(indexFunctionSelectedByCursor());
diff --git a/apps/regression/graph_controller.cpp b/apps/regression/graph_controller.cpp
index ffee0eed2..a78abf7e9 100644
--- a/apps/regression/graph_controller.cpp
+++ b/apps/regression/graph_controller.cpp
@@ -45,6 +45,9 @@ I18n::Message GraphController::emptyMessage() {
 }
 
 void GraphController::viewWillAppear() {
+#ifdef GRAPH_CURSOR_SPEEDUP
+  m_roundCursorView.resetMemoization();
+#endif
   /* At this point, some series might have been removed from the model. We need
    * to reinitialize the selected series index if the current selection is
    * either null (right after construction) or refering a removed series. */