diff --git a/include/crucible/lockset.h b/include/crucible/lockset.h
index 99500b7..6b53cf4 100644
--- a/include/crucible/lockset.h
+++ b/include/crucible/lockset.h
@@ -1,8 +1,8 @@
 #ifndef CRUCIBLE_LOCKSET_H
 #define CRUCIBLE_LOCKSET_H
 
-#include <crucible/error.h>
-#include <crucible/process.h>
+#include "crucible/error.h"
+#include "crucible/process.h"
 
 #include <cassert>
 
diff --git a/include/crucible/pool.h b/include/crucible/pool.h
index 7377169..077b33d 100644
--- a/include/crucible/pool.h
+++ b/include/crucible/pool.h
@@ -1,6 +1,8 @@
 #ifndef CRUCIBLE_POOL_H
 #define CRUCIBLE_POOL_H
 
+#include "crucible/error.h"
+
 #include <functional>
 #include <list>
 #include <memory>
diff --git a/lib/cleanup.cc b/lib/cleanup.cc
index 91c92bb..40157ed 100644
--- a/lib/cleanup.cc
+++ b/lib/cleanup.cc
@@ -1,4 +1,4 @@
-#include <crucible/cleanup.h>
+#include "crucible/cleanup.h"
 
 namespace crucible {