diff --git a/external/patch-omptl b/external/patch-omptl
index 5a40388..9ea9d28 100644
--- a/external/patch-omptl
+++ b/external/patch-omptl
@@ -1,54 +1,3 @@
-diff -ur omptl.old/algorithm omptl/algorithm
---- omptl.old/algorithm	2012-04-22 16:29:41.000000000 +0200
-+++ omptl/algorithm	2021-06-20 15:40:29.000000000 +0200
-@@ -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.old/numeric omptl/numeric
---- omptl.old/numeric	2012-04-22 16:29:41.000000000 +0200
-+++ omptl/numeric	2021-06-20 15:40:29.000000000 +0200
-@@ -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.old/omptl_algorithm omptl/omptl_algorithm
 --- omptl.old/omptl_algorithm	2012-04-22 16:29:41.000000000 +0200
 +++ omptl/omptl_algorithm	2021-06-20 15:40:29.000000000 +0200