diff --git a/src/ncurses_display.cpp b/src/ncurses_display.cpp
index 3f59c3e8..b44729bc 100644
--- a/src/ncurses_display.cpp
+++ b/src/ncurses_display.cpp
@@ -72,7 +72,9 @@ void NCursesDisplay::DisplayProcesses(std::vector<Process>& processes,
   for (int i = 0; i < n; ++i) {
     //You need to take care of the fact that the cpu utilization has already been multiplied by 100.
     // Clear the line
-    mvwprintw(window, ++row, pid_column, (string(window->_maxx-2, ' ').c_str()));
+    int w = getmaxx(window);
+    mvwprintw(window, ++row, pid_column, "%s",
+              std::string(std::max(0, w - 2), ' ').c_str());
     
     mvwprintw(window, row, pid_column, "%s", to_string(processes[i].Pid()).c_str());
     mvwprintw(window, row, user_column, "%s", processes[i].User().c_str());
@@ -82,7 +84,7 @@ void NCursesDisplay::DisplayProcesses(std::vector<Process>& processes,
     mvwprintw(window, row, time_column, "%s",
               Format::ElapsedTime(processes[i].UpTime()).c_str());
     mvwprintw(window, row, command_column, "%s",
-              processes[i].Command().substr(0, window->_maxx - 46).c_str());
+              processes[i].Command().substr(0, std::max(0, w - 46)).c_str());
   }
 }
 
@@ -94,8 +96,9 @@ void NCursesDisplay::Display(System& system, int n) {
 
   int x_max{getmaxx(stdscr)};
   WINDOW* system_window = newwin(9, x_max - 1, 0, 0);
-  WINDOW* process_window =
-      newwin(3 + n, x_max - 1, system_window->_maxy + 1, 0);
+  int sy = getbegy(system_window);
+  int sh = getmaxy(system_window);
+	WINDOW* process_window = newwin(3 + n, x_max -1, sy + sh, 0);
 
   while (1) {
     init_pair(1, COLOR_BLUE, COLOR_BLACK);