diff --git a/src/chat.c b/src/chat.c
index 90cb805..ceb7a60 100644
--- a/src/chat.c
+++ b/src/chat.c
@@ -1061,8 +1061,8 @@ bool chat_onKey(ToxWindow *self, Tox *m, wint_t key, bool ltr)
         return false;
     }
 
-    if (ctx->pastemode && key == '\r') {
-        key = '\n';
+    if (ctx->pastemode && key == L'\r') {
+        key = L'\n';
     }
 
     if (self->help->active) {
@@ -1070,7 +1070,7 @@ bool chat_onKey(ToxWindow *self, Tox *m, wint_t key, bool ltr)
         return true;
     }
 
-    if (ltr || key == '\n') {    /* char is printable */
+    if (ltr || key == L'\n') {    /* char is printable */
         input_new_char(self, key, x, x2);
 
         if (ctx->line[0] != '/' && !ctx->self_is_typing && statusbar->connection != TOX_CONNECTION_NONE) {
@@ -1090,7 +1090,7 @@ bool chat_onKey(ToxWindow *self, Tox *m, wint_t key, bool ltr)
 
     int input_ret = false;
 
-    if (key == '\t' && ctx->len > 1 && ctx->line[0] == '/') {    /* TAB key: auto-complete */
+    if (key == L'\t' && ctx->len > 1 && ctx->line[0] == '/') {    /* TAB key: auto-complete */
         input_ret = true;
         int diff = -1;
 
@@ -1128,7 +1128,7 @@ bool chat_onKey(ToxWindow *self, Tox *m, wint_t key, bool ltr)
             sound_notify(self, notif_error, 0, NULL);
         }
 
-    } else if (key == '\r') {
+    } else if (key == L'\r') {
         input_ret = true;
         rm_trailing_spaces_buf(ctx);
 
diff --git a/src/friendlist.c b/src/friendlist.c
index e070575..0e100c5 100644
--- a/src/friendlist.c
+++ b/src/friendlist.c
@@ -856,7 +856,7 @@ static bool friendlist_onKey(ToxWindow *self, Tox *m, wint_t key, bool ltr)
         return true;
     }
 
-    if (key == 'h') {
+    if (key == L'h') {
         help_init_menu(self);
         return true;
     }
@@ -879,7 +879,7 @@ static bool friendlist_onKey(ToxWindow *self, Tox *m, wint_t key, bool ltr)
 
     /* lock screen and force decision on deletion popup */
     if (PendingDelete.active) {
-        if (key == 'y' || key == 'n') {
+        if (key == L'y' || key == L'n') {
             del_friend_deactivate(m, key);
         }
 
@@ -891,7 +891,7 @@ static bool friendlist_onKey(ToxWindow *self, Tox *m, wint_t key, bool ltr)
     }
 
     switch (key) {
-        case '\r':
+        case L'\r':
             if (blocklist_view) {
                 break;
             }
@@ -914,7 +914,7 @@ static bool friendlist_onKey(ToxWindow *self, Tox *m, wint_t key, bool ltr)
             del_friend_activate(f);
             break;
 
-        case 'b':
+        case L'b':
             if (!blocklist_view) {
                 block_friend(m, f);
             } else {
diff --git a/src/groupchat.c b/src/groupchat.c
index 0e4c1f0..c5b76dd 100644
--- a/src/groupchat.c
+++ b/src/groupchat.c
@@ -498,11 +498,11 @@ static bool groupchat_onKey(ToxWindow *self, Tox *m, wint_t key, bool ltr)
         return true;
     }
 
-    if (ctx->pastemode && key == '\r') {
-        key = '\n';
+    if (ctx->pastemode && key == L'\r') {
+        key = L'\n';
     }
 
-    if (ltr || key == '\n') {    /* char is printable */
+    if (ltr || key == L'\n') {    /* char is printable */
         input_new_char(self, key, x, x2);
         return true;
     }
@@ -517,7 +517,7 @@ static bool groupchat_onKey(ToxWindow *self, Tox *m, wint_t key, bool ltr)
 
     bool input_ret = false;
 
-    if (key == '\t') {  /* TAB key: auto-completes peer name or command */
+    if (key == L'\t') {  /* TAB key: auto-completes peer name or command */
         input_ret = true;
 
         if (ctx->len > 0) {
@@ -564,7 +564,7 @@ static bool groupchat_onKey(ToxWindow *self, Tox *m, wint_t key, bool ltr)
         if (groupchats[self->num].side_pos > 0) {
             --groupchats[self->num].side_pos;
         }
-    } else if (key == '\r') {
+    } else if (key == L'\r') {
         input_ret = true;
         rm_trailing_spaces_buf(ctx);
 
diff --git a/src/help.c b/src/help.c
index cd492ea..ac9e78f 100644
--- a/src/help.c
+++ b/src/help.c
@@ -356,12 +356,12 @@ void help_onKey(ToxWindow *self, wint_t key)
     int height;
 
     switch (key) {
-        case 'x':
+        case L'x':
         case T_KEY_ESC:
             help_exit(self);
             break;
 
-        case 'c':
+        case L'c':
 #ifdef VIDEO
             help_init_window(self, 23, 80);
 #elif AUDIO
@@ -372,7 +372,7 @@ void help_onKey(ToxWindow *self, wint_t key)
             self->help->type = HELP_CHAT;
             break;
 
-        case 'g':
+        case L'g':
             height = 22;
 #ifdef VIDEO
             height += 8;
@@ -386,30 +386,30 @@ void help_onKey(ToxWindow *self, wint_t key)
             self->help->type = HELP_GLOBAL;
             break;
 
-        case 'r':
+        case L'r':
             help_init_window(self, 6, 80);
             self->help->type = HELP_GROUP;
             break;
 
 #ifdef PYTHON
 
-        case 'p':
+        case L'p':
             help_init_window(self, 4 + num_registered_handlers(), help_max_width());
             self->help->type = HELP_PLUGIN;
             break;
 #endif /* PYTHON */
 
-        case 'f':
+        case L'f':
             help_init_window(self, 10, 80);
             self->help->type = HELP_CONTACTS;
             break;
 
-        case 'k':
+        case L'k':
             help_init_window(self, 15, 80);
             self->help->type = HELP_KEYS;
             break;
 
-        case 'm':
+        case L'm':
             help_init_menu(self);
             self->help->type = HELP_MENU;
             break;