diff --git a/server/io.cpp b/server/io.cpp
index 6a70aca..694c7ce 100644
--- a/server/io.cpp
+++ b/server/io.cpp
@@ -261,6 +261,10 @@ std::string base62uuid(int l) {
     return ret;
 }
 
+template <>
+inline const char* str(const bool& v) {
+	return v ? "true" : "false";
+}
 
 // template<typename _Ty>
 // inline void vector_type<_Ty>::out(uint32_t n, const char* sep) const
diff --git a/server/pch.hpp b/server/pch.hpp
index 3c7f1e0..b37ac13 100644
--- a/server/pch.hpp
+++ b/server/pch.hpp
@@ -6,9 +6,9 @@
 #include <iostream>
 #include <chrono>
 #include "monetdb_conn.h"
-#include "monetdbe.h"
 #include "threading.h"
 #include "../csv.h"
+#include "table_ext_monetdb.hpp"
 #ifdef _WIN32
 #include "winhelper.h"
 #undef max
diff --git a/server/utils.h b/server/utils.h
index e54ed3c..fd38cb3 100644
--- a/server/utils.h
+++ b/server/utils.h
@@ -9,9 +9,6 @@ template <class T>
 inline const char* str(const T& v) {
 	return "";
 }
-template <>
-inline const char* str(const bool& v) {
-	return v ? "true" : "false";
-}
+
 #include<string>
 extern std::string base62uuid(int l = 6);
\ No newline at end of file