diff --git a/libbb/procps.c b/libbb/procps.c
index 05eefe0da..4edc54d48 100644
--- a/libbb/procps.c
+++ b/libbb/procps.c
@@ -588,12 +588,14 @@ void FAST_FUNC read_cmdline(char *buf, int col, unsigned pid, const char *comm)
 				buf[sz] = ' ';
 			sz--;
 		}
+		if (base[0] == '-') /* "-sh" (login shell)? */
+			base++;
 
 		/* If comm differs from argv0, prepend "{comm} ".
 		 * It allows to see thread names set by prctl(PR_SET_NAME).
 		 */
-		if (base[0] == '-') /* "-sh" (login shell)? */
-			base++;
+		if (!comm)
+			return;
 		comm_len = strlen(comm);
 		/* Why compare up to comm_len, not COMM_LEN-1?
 		 * Well, some processes rewrite argv, and use _spaces_ there
@@ -612,7 +614,7 @@ void FAST_FUNC read_cmdline(char *buf, int col, unsigned pid, const char *comm)
 			buf[col - 1] = '\0';
 		}
 	} else {
-		snprintf(buf, col, "[%s]", comm);
+		snprintf(buf, col, "[%s]", comm ? comm : "?");
 	}
 }
 
diff --git a/procps/pmap.c b/procps/pmap.c
index fd995a54d..aa221cfb8 100644
--- a/procps/pmap.c
+++ b/procps/pmap.c
@@ -20,7 +20,7 @@
 //usage:#define pmap_trivial_usage
 //usage:       "[-xq] PID"
 //usage:#define pmap_full_usage "\n\n"
-//usage:       "Display detailed process memory usage"
+//usage:       "Display process memory usage"
 //usage:     "\n"
 //usage:     "\n	-x	Show details"
 //usage:     "\n	-q	Quiet"
@@ -66,7 +66,7 @@ static int procps_get_maps(pid_t pid, unsigned opt)
 	int ret;
 	char buf[256];
 
-	read_cmdline(buf, sizeof(buf), pid, "no such process");
+	read_cmdline(buf, sizeof(buf), pid, NULL);
 	printf("%u: %s\n", (int)pid, buf);
 
 	if (!(opt & OPT_q) && (opt & OPT_x))