diff --git a/wikicurses/main.py b/wikicurses/main.py
index 74d6b0c..820c06b 100644
--- a/wikicurses/main.py
+++ b/wikicurses/main.py
@@ -14,7 +14,9 @@
 
 def executeCommand(cmd):
     try:
-        subprocess.call(cmd)
+        ret = subprocess.call(cmd)
+        if ret != 0:
+            ex.notify("Error: command '" + cmd[0] + "' exited with code " + str(ret))
     except FileNotFoundError:
         ex.notify("Error: command '" + cmd[0] + "' not found.")
     loop.screen.clear() # Completely redraw screen after external command
@@ -259,7 +261,7 @@ def keypress(self, size, key):
         maxcol, maxrow = size
         ex.notify('') # Clear any notification
 
-        cmdmap = settings.conf['keymap']
+        cmdmap = settings.conf['keymap'] if 'keymap' in settings.conf else {}
         if key == ':':
             ex.enterexmode()
         if key == '/':
@@ -443,7 +445,7 @@ def openWiki(name):
         wiki = name
         return
     if not name:
-        name = settings.conf['general']['default']
+        name = settings.conf.get('general', 'default', fallback='https://en.wikipedia.org/w/api.php')
     if name in settings.conf:
         wiki = Wiki.fromName(name)
     else:
@@ -516,7 +518,11 @@ def processCmd(cmd, *args):
     elif cmd == 'edit':
         edit(page.title)
     elif cmd == 'help':
-        executeCommand(['man', 'wikicurses'])
+        manpage = os.path.dirname(os.path.abspath(__file__)) + '/../wikicurses.1'
+        if os.path.exists(manpage):
+            executeCommand(['man', manpage])
+        else:
+            executeCommand(['man', 'wikicurses'])
     elif cmd == 'back':
         if current > 0:
             current -= 1