diff --git a/Makefile b/Makefile
index 8168cd2a1..f3afe3714 100644
--- a/Makefile
+++ b/Makefile
@@ -119,7 +119,7 @@ EXAMPLELANG=en # For static Manager example only
 ERASECONFIG=1 # Set to 0 if you do not want to replace your configuration
 
 # GENERATED SRC FILESlemonldap-ng-common/lib/Lemonldap/NG/Common/Conf/DefaultValues.pm
-MANAGERJSONSRC=$(SRCMANAGERDIR)/scripts/jsongenerator.pl \
+MANAGERJSONSRC= scripts/jsongenerator.pl \
 		$(SRCMANAGERDIR)/lib/Lemonldap/NG/Manager/Build.pm \
 		$(SRCMANAGERDIR)/lib/Lemonldap/NG/Manager/Build/Attributes.pm \
 		$(SRCMANAGERDIR)/lib/Lemonldap/NG/Manager/Build/Tree.pm
@@ -180,7 +180,7 @@ all:	configure common handler manager portal
 json:	$(MANAGERJSONDST)
 
 $(MANAGERJSONDST):	$(MANAGERJSONSRC)
-	cd $(SRCMANAGERDIR) && ./scripts/jsongenerator.pl && cd -
+	./scripts/jsongenerator.pl
 
 configure:	json common_conf handler_conf portal_conf manager_conf
 
diff --git a/lemonldap-ng-manager/scripts/jsongenerator.pl b/lemonldap-ng-manager/scripts/jsongenerator.pl
deleted file mode 100755
index 1eab6ad91..000000000
--- a/lemonldap-ng-manager/scripts/jsongenerator.pl
+++ /dev/null
@@ -1,13 +0,0 @@
-#!/usr/bin/perl -Ilib/ -I../lemonldap-ng-common/lib/ -w
-
-use Lemonldap::NG::Manager::Build;
-
-Lemonldap::NG::Manager::Build->run(
-    structFile            => "site/static/struct.json",
-    confTreeFile          => "site/static/js/conftree.js",
-    managerConstantsFile  => "lib/Lemonldap/NG/Manager/Constants.pm",
-    managerAttributesFile => 'lib/Lemonldap/NG/Manager/Attributes.pm',
-    defaultValuesFile =>
-      "../lemonldap-ng-common/lib/Lemonldap/NG/Common/Conf/DefaultValues.pm",
-);
-
diff --git a/scripts/jsongenerator.pl b/scripts/jsongenerator.pl
new file mode 100755
index 000000000..ef922d32e
--- /dev/null
+++ b/scripts/jsongenerator.pl
@@ -0,0 +1,12 @@
+#!/usr/bin/perl -Ilemonldap-ng-manager/lib/ -Ilemonldap-ng-common/lib/ -w
+
+use Lemonldap::NG::Manager::Build;
+
+Lemonldap::NG::Manager::Build->run(
+    structFile            => "lemonldap-ng-manager/site/static/struct.json",
+    confTreeFile          => "lemonldap-ng-manager/site/static/js/conftree.js",
+    managerConstantsFile  => "lemonldap-ng-manager/lib/Lemonldap/NG/Manager/Constants.pm",
+    managerAttributesFile => 'lemonldap-ng-manager/lib/Lemonldap/NG/Manager/Attributes.pm',
+    defaultValuesFile     => "lemonldap-ng-common/lib/Lemonldap/NG/Common/Conf/DefaultValues.pm",
+);
+