diff --git a/CHANGELOG.md b/CHANGELOG.md
index 38f2c57..72f7eb7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -23,6 +23,8 @@
 ### Changed
 
 * log-level: default to `warning`
+* Read alternative config from pipes (e.g. `--config /dev/stdin`)
+  ([#340][340]).
 
 ### Deprecated
 ### Removed
diff --git a/main.c b/main.c
index 9604631..3a8b9f7 100644
--- a/main.c
+++ b/main.c
@@ -223,8 +223,8 @@ main(int argc, char *const *argv)
             if (stat(optarg, &st) == -1) {
                 fprintf(stderr, "%s: invalid configuration file: %s\n", optarg, strerror(errno));
                 return EXIT_FAILURE;
-            } else if (!S_ISREG(st.st_mode)) {
-                fprintf(stderr, "%s: invalid configuration file: not a regular file\n",
+            } else if (!S_ISREG(st.st_mode) && !S_ISFIFO(st.st_mode)) {
+                fprintf(stderr, "%s: invalid configuration file: neither a regular file nor a pipe\n",
                         optarg);
                 return EXIT_FAILURE;
             }