diff --git a/src/isolator/hei_isolation_node.cpp b/src/isolator/hei_isolation_node.cpp
index 51e3ee0..6791d6f 100644
--- a/src/isolator/hei_isolation_node.cpp
+++ b/src/isolator/hei_isolation_node.cpp
@@ -1,5 +1,5 @@
-#include <hei_bit_string.hpp>
 #include <isolator/hei_isolation_node.hpp>
+#include <util/hei_bit_string.hpp>
 
 namespace libhei
 {