diff --git a/tests/lib/sync-classlock-test.cpp b/tests/lib/sync-classlock-test.cpp
index d53c031ef..74e074451 100644
--- a/tests/lib/sync-classlock-test.cpp
+++ b/tests/lib/sync-classlock-test.cpp
@@ -22,7 +22,7 @@
 
 
 #include "lib/test/run.hpp"
-#include "include/error.hpp"
+#include "lib/error.hpp"
 
 #include "lib/sync-classlock.hpp"
 
diff --git a/tests/lib/sync-locking-test.cpp b/tests/lib/sync-locking-test.cpp
index e246a8083..c1fcdeb1f 100644
--- a/tests/lib/sync-locking-test.cpp
+++ b/tests/lib/sync-locking-test.cpp
@@ -22,7 +22,7 @@
 
 
 #include "lib/test/run.hpp"
-#include "include/error.hpp"
+#include "lib/error.hpp"
 
 #include "lib/sync.hpp"
 
diff --git a/tests/lib/sync-waiting-test.cpp b/tests/lib/sync-waiting-test.cpp
index 1cc8a9398..c25505554 100644
--- a/tests/lib/sync-waiting-test.cpp
+++ b/tests/lib/sync-waiting-test.cpp
@@ -22,7 +22,7 @@
 
 
 #include "lib/test/run.hpp"
-#include "include/error.hpp"
+#include "lib/error.hpp"
 
 #include "lib/sync.hpp"