diff --git a/kpasswd/kpasswd-generator.c b/kpasswd/kpasswd-generator.c
index d0d908d66..deb6d8e81 100644
--- a/kpasswd/kpasswd-generator.c
+++ b/kpasswd/kpasswd-generator.c
@@ -51,7 +51,7 @@ read_words (const char *filename, char ***ret_w)
 	buf[strcspn(buf, "\r\n")] = '\0';
 	if (n >= alloc) {
 	    alloc += 16;
-	    w = erealloc (w, alloc * sizeof(char **));
+	    w = erealloc (w, alloc * sizeof(char *));
 	}
 	w[n++] = estrdup (buf);
     }