diff --git a/src/channel.c b/src/channel.c
index 1363ee9..c62da8b 100644
--- a/src/channel.c
+++ b/src/channel.c
@@ -2809,7 +2809,7 @@
 	status = "buffered";
     else
 	status = "closed";
-    dict_add_nr_str(dict, namebuf, 0, (char_u *)status);
+    dict_add_string(dict, namebuf, (char_u *)status);
 
     STRCPY(namebuf + tail, "mode");
     switch (chanpart->ch_mode)
@@ -2819,7 +2819,7 @@
 	case MODE_JSON: s = "JSON"; break;
 	case MODE_JS: s = "JS"; break;
     }
-    dict_add_nr_str(dict, namebuf, 0, (char_u *)s);
+    dict_add_string(dict, namebuf, (char_u *)s);
 
     STRCPY(namebuf + tail, "io");
     if (part == PART_SOCK)
@@ -2832,22 +2832,22 @@
 	case JIO_BUFFER: s = "buffer"; break;
 	case JIO_OUT: s = "out"; break;
     }
-    dict_add_nr_str(dict, namebuf, 0, (char_u *)s);
+    dict_add_string(dict, namebuf, (char_u *)s);
 
     STRCPY(namebuf + tail, "timeout");
-    dict_add_nr_str(dict, namebuf, chanpart->ch_timeout, NULL);
+    dict_add_number(dict, namebuf, chanpart->ch_timeout);
 }
 
     void
 channel_info(channel_T *channel, dict_T *dict)
 {
-    dict_add_nr_str(dict, "id", channel->ch_id, NULL);
-    dict_add_nr_str(dict, "status", 0, (char_u *)channel_status(channel, -1));
+    dict_add_number(dict, "id", channel->ch_id);
+    dict_add_string(dict, "status", (char_u *)channel_status(channel, -1));
 
     if (channel->ch_hostname != NULL)
     {
-	dict_add_nr_str(dict, "hostname", 0, (char_u *)channel->ch_hostname);
-	dict_add_nr_str(dict, "port", channel->ch_port, NULL);
+	dict_add_string(dict, "hostname", (char_u *)channel->ch_hostname);
+	dict_add_number(dict, "port", channel->ch_port);
 	channel_part_info(channel, dict, "sock", PART_SOCK);
     }
     else
@@ -5737,7 +5737,7 @@
     list_T	*l;
     int		i;
 
-    dict_add_nr_str(dict, "status", 0L, (char_u *)job_status(job));
+    dict_add_string(dict, "status", (char_u *)job_status(job));
 
     item = dictitem_alloc((char_u *)"channel");
     if (item == NULL)
@@ -5755,15 +5755,13 @@
 #else
     nr = job->jv_proc_info.dwProcessId;
 #endif
-    dict_add_nr_str(dict, "process", nr, NULL);
-    dict_add_nr_str(dict, "tty_in", 0L,
-		   job->jv_tty_in != NULL ? job->jv_tty_in : (char_u *)"");
-    dict_add_nr_str(dict, "tty_out", 0L,
-		   job->jv_tty_out != NULL ? job->jv_tty_out : (char_u *)"");
+    dict_add_number(dict, "process", nr);
+    dict_add_string(dict, "tty_in", job->jv_tty_in);
+    dict_add_string(dict, "tty_out", job->jv_tty_out);
 
-    dict_add_nr_str(dict, "exitval", job->jv_exitval, NULL);
-    dict_add_nr_str(dict, "exit_cb", 0L, job->jv_exit_cb);
-    dict_add_nr_str(dict, "stoponexit", 0L, job->jv_stoponexit);
+    dict_add_number(dict, "exitval", job->jv_exitval);
+    dict_add_string(dict, "exit_cb", job->jv_exit_cb);
+    dict_add_string(dict, "stoponexit", job->jv_stoponexit);
 
     l = list_alloc();
     if (l != NULL)