diff --git a/bin/sh/histedit.c b/bin/sh/histedit.c
--- a/bin/sh/histedit.c
+++ b/bin/sh/histedit.c
@@ -608,6 +608,8 @@
 	char **matches = NULL;
 	size_t i = 0, size = 16, uniq;
 	size_t curpos = end - start, lcstring = -1;
+	const unsigned char *bp;
+	char **rmatches;
 
 	in_command_completion = false;
 	if (start > 0 || memchr("/.~", text[0], 3) != NULL)
@@ -631,7 +633,6 @@
 		}
 		while ((entry = readdir(dir)) != NULL) {
 			struct stat statb;
-			char **rmatches;
 
 			if (strncmp(entry->d_name, text, curpos) != 0)
 				continue;
@@ -655,6 +656,18 @@
 		}
 		closedir(dir);
 	}
+	for (bp = builtincmd; *bp != '\0'; bp += 2 + bp[0]) {
+		if (strncmp(bp + 2, text, curpos) != 0)
+			continue;
+		matches[++i] = strndup(bp + 2, bp[0]);
+		if (i < size - 1)
+			continue;
+		size *= 2;
+		rmatches = reallocarray(matches, size, sizeof(matches[0]));
+		if (rmatches == NULL)
+			goto out;
+		matches = rmatches;
+	}
 out:
 	free(free_path);
 	if (i == 0) {