diff --git a/pkgs/by-name/ta/taler-exchange/0001-add-TALER_TEMPLATING_init_path.patch b/pkgs/by-name/ta/taler-exchange/0001-add-TALER_TEMPLATING_init_path.patch
index 60ea8051366e..0e31e287ae83 100644
--- a/pkgs/by-name/ta/taler-exchange/0001-add-TALER_TEMPLATING_init_path.patch
+++ b/pkgs/by-name/ta/taler-exchange/0001-add-TALER_TEMPLATING_init_path.patch
@@ -9,14 +9,14 @@ headers, which makes it harder to patch in the correct directory.
 To circumvent this, a similar function that takes the templates path
 directly is added.
 ---
- src/include/taler_templating_lib.h |  9 +++++++++
+ src/include/taler/taler_templating_lib.h |  9 +++++++++
  src/templating/templating_api.c    | 25 +++++++++++++++++++++++++
  2 files changed, 34 insertions(+)
 
-diff --git a/src/include/taler_templating_lib.h b/src/include/taler_templating_lib.h
+diff --git a/src/include/taler/taler_templating_lib.h b/src/include/taler/taler_templating_lib.h
 index 6af6db715..343004ef1 100644
---- a/src/include/taler_templating_lib.h
-+++ b/src/include/taler_templating_lib.h
+--- a/src/include/taler/taler_templating_lib.h
++++ b/src/include/taler/taler_templating_lib.h
 @@ -120,6 +120,16 @@ TALER_TEMPLATING_reply_error (struct MHD_Connection *connection,
  enum GNUNET_GenericReturnValue
  TALER_TEMPLATING_init (const char *subsystem);
diff --git a/pkgs/by-name/ta/taler-exchange/package.nix b/pkgs/by-name/ta/taler-exchange/package.nix
index 185af90a718b..2fe055b21bdf 100644
--- a/pkgs/by-name/ta/taler-exchange/package.nix
+++ b/pkgs/by-name/ta/taler-exchange/package.nix
@@ -16,6 +16,7 @@
   recutils,
   wget,
   jq,
+  uncrustify,
   gettext,
   texinfo,
   libtool,
@@ -24,17 +25,23 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "taler-exchange";
-  version = "1.0.4";
+  version = "1.3.0";
 
   src = fetchgit {
     url = "https://git.taler.net/exchange.git";
     tag = "v${finalAttrs.version}";
     fetchSubmodules = true;
-    hash = "sha256-k2e9pzy7vSIjCVGOVif9ntYvLcvoJA6J63vB/lg3iwA=";
+    hash = "sha256-FePuJUEa01E2jlAOdHryzkFwXqNcU+AkMKs1pamNJn8=";
   };
 
   patches = [ ./0001-add-TALER_TEMPLATING_init_path.patch ];
 
+  postPatch = ''
+    substituteInPlace contrib/gana-generate.sh \
+      --replace-fail "existence git" "true" \
+      --replace-fail "uncrustify.cfg" "contrib/uncrustify.cfg"
+  '';
+
   nativeBuildInputs = [
     autoreconfHook
     recutils # recfix
@@ -43,6 +50,7 @@ stdenv.mkDerivation (finalAttrs: {
     texinfo # makeinfo
     # jq is necessary for some tests and is checked by configure script
     jq
+    uncrustify
   ];
 
   buildInputs = [