1 files changed, 3 insertions, 1 deletions
diff --git a/src/common/filesystem.cpp b/src/common/filesystem.cpp
index 1abaeae4..42e183e7 100644
--- a/src/common/filesystem.cpp
+++ b/src/common/filesystem.cpp
@@ -14,7 +14,9 @@ namespace filesystem {
 // Pretend that Windows knows no named pipes. It does, by the way, but
 // they seem to be different from pipes on Unix / Linux. See
 // https://docs.microsoft.com/en-us/windows/win32/ipc/named-pipes
-bool is_fifo(char const*) { return false; }
+bool is_fifo(char const* /*path*/) {
+  return false;
+}
 #else
 bool is_fifo(char const* path) {
   struct stat buf;