diff --git a/src/libstore/build/local-derivation-goal.cc b/src/libstore/build/local-derivation-goal.cc
index cc401f57f..e45f5af81 100644
--- a/src/libstore/build/local-derivation-goal.cc
+++ b/src/libstore/build/local-derivation-goal.cc
@@ -16,6 +16,7 @@
 #include "cgroup.hh"
 #include "personality.hh"
 #include "namespaces.hh"
+#include "file-system.hh"
 
 #include <regex>
 #include <queue>
diff --git a/src/libstore/globals.cc b/src/libstore/globals.cc
index cdf9813db..f6a3fefca 100644
--- a/src/libstore/globals.cc
+++ b/src/libstore/globals.cc
@@ -4,6 +4,7 @@
 #include "args.hh"
 #include "abstract-setting-to-json.hh"
 #include "compute-levels.hh"
+#include "file-system.hh"
 
 #include <algorithm>
 #include <map>
diff --git a/src/libutil/filesystem.cc b/src/libutil/filesystem.cc
index ebe71fe7c..17c3cb8bf 100644
--- a/src/libutil/filesystem.cc
+++ b/src/libutil/filesystem.cc
@@ -5,6 +5,7 @@
 #include "finally.hh"
 #include "util.hh"
 #include "types.hh"
+#include "file-system.hh"
 
 namespace fs = std::filesystem;