diff --git a/configure.ac b/configure.ac
index d489879..3f70214 100644
--- a/configure.ac
+++ b/configure.ac
@@ -80,15 +80,15 @@ case $host_os in
 esac
 
 dnl Checks for libraries.
-AC_CHECK_LIB(ncurses, initscr)
+AC_CHECK_LIB(ncursesw, initscr)
 AC_CHECK_LIB(form, new_form)
 
 dnl Checks for header files.
 AC_HEADER_STDC
 AC_CHECK_HEADERS([limits.h stdlib.h string.h unistd.h curses.h form.h ncurses/form.h math.h sys/param.h sys/socket.h sys/time.h sys/ioctl.h arpa/inet.h netinet/in.h])
 
-if test "$ac_cv_lib_ncurses_initscr" != "yes"; then
-    AC_MSG_ERROR([ncurses library not found. ncurses is required for $PACKAGE_NAME.])
+if test "$ac_cv_lib_ncursesw_initscr" != "yes"; then
+    AC_MSG_ERROR([ncursesw library not found. ncursesw is required for $PACKAGE_NAME.])
 fi
 if test "$ac_cv_header_curses_h" != "yes"; then
     AC_MSG_ERROR([ncurses development files not found. ncurses is required for $PACKAGE_NAME.])
diff --git a/src/graph.cpp b/src/graph.cpp
index a43087b..b2c1e7a 100644
--- a/src/graph.cpp
+++ b/src/graph.cpp
@@ -101,11 +101,11 @@ void Graph::print(Window& window, int x, int y)
                 unsigned long long restOfTraffic = *r - lowerLimit;
 
                 if(restOfTraffic >= trafficPerLine)
-                    window.print('#');
+                    window.print("█");
                 else if(restOfTraffic >= trafficPerLine * 7 / 10)
-                    window.print('|');
+                    window.print("▟");
                 else if(restOfTraffic >= trafficPerLine * 3 / 10)
-                    window.print('.');
+                    window.print("▗");
                 else
                     window.print(' ');
             }
diff --git a/src/main.cpp b/src/main.cpp
index e84777d..447fa2f 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -26,6 +26,7 @@
 #include <vector>
 
 #include <signal.h>
+#include <locale.h>
 
 using namespace std;
 
@@ -35,6 +36,7 @@ static void signalHandler(int signal);
 
 int main(int argc, char *argv[])
 {
+    setlocale(LC_ALL, "");
     App application;
     m_application = &application;