diff -ur omptl.orig/omptl_algorithm omptl/omptl_algorithm
--- omptl.orig/omptl_algorithm	2017-01-16 14:58:37.996690639 +0100
+++ omptl/omptl_algorithm	2017-01-16 15:00:26.678641720 +0100
@@ -20,7 +20,7 @@
 #define OMPTL_ALGORITHM 1
 
 #include <algorithm>
-#include <omptl/omptl>
+#include "omptl"
 
 namespace omptl
 {
@@ -553,9 +553,9 @@
 } // namespace omptl
 
 #ifdef _OPENMP
-  #include <omptl/omptl_algorithm_par.h>
+  #include "omptl_algorithm_par.h"
 #else
-  #include <omptl/omptl_algorithm_ser.h>
+  #include "omptl_algorithm_ser.h"
 #endif
 
 #endif /* OMPTL_ALGORITHM */
diff -ur omptl.orig/omptl_algorithm_par.h omptl/omptl_algorithm_par.h
--- omptl.orig/omptl_algorithm_par.h	2017-01-16 14:58:37.996690639 +0100
+++ omptl/omptl_algorithm_par.h	2017-01-16 14:59:57.974126410 +0100
@@ -21,8 +21,8 @@
 #include <cmath>
 #include <cstdlib>
 
-#include <omptl/omptl_tools.h>
-#include <omptl/omptl_numeric>
+#include "omptl_tools.h"
+#include "omptl_numeric"
 
 #include <iterator>
 
diff -ur omptl.orig/omptl_numeric omptl/omptl_numeric
--- omptl.orig/omptl_numeric	2017-01-16 14:58:37.996690639 +0100
+++ omptl/omptl_numeric	2017-01-16 15:00:57.051186974 +0100
@@ -19,7 +19,7 @@
 #define OMPTL_NUMERIC 1
 
 #include <numeric>
-#include <omptl/omptl>
+#include "omptl"
 
 namespace omptl
 {
@@ -73,11 +73,11 @@
 } // namespace omptl
 
 #ifdef _OPENMP
-  #include <omptl/omptl_numeric_par.h>
+  #include "omptl_numeric_par.h"
 #else
-  #include <omptl/omptl_numeric_ser.h>
+  #include "omptl_numeric_ser.h"
 #endif
 
-#include <omptl/omptl_numeric_extensions.h>
+#include "omptl_numeric_extensions.h"
 
 #endif /* OMPTL_NUMERIC */
diff -ur omptl.orig/omptl_numeric_extensions.h omptl/omptl_numeric_extensions.h
--- omptl.orig/omptl_numeric_extensions.h	2017-01-16 14:58:37.996690639 +0100
+++ omptl/omptl_numeric_extensions.h	2017-01-16 14:59:21.549472508 +0100
@@ -51,9 +51,9 @@
 } // namespace
 
 #ifdef _OPENMP
-  #include <omptl/omptl_numeric_extensions_par.h>
+  #include "omptl_numeric_extensions_par.h"
 #else
-  #include <omptl/omptl_numeric_extensions_ser.h>
+  #include "omptl_numeric_extensions_ser.h"
 #endif
 
 namespace omptl
diff -ur omptl.orig/omptl_numeric_par.h omptl/omptl_numeric_par.h
--- omptl.orig/omptl_numeric_par.h	2017-01-16 14:58:37.996690639 +0100
+++ omptl/omptl_numeric_par.h	2017-01-16 14:59:36.397739066 +0100
@@ -23,8 +23,8 @@
 #include <functional>
 #include <iterator>
 
-#include <omptl/omptl_algorithm>
-#include <omptl/omptl_tools.h>
+#include "omptl_algorithm"
+#include "omptl_tools.h"
 
 namespace omptl
 {
