diff --git a/docker-builder-data/build/script/common/manager.sh b/docker-builder-data/build/script/common/manager.sh
index aaec329..e417d2e 100755
--- a/docker-builder-data/build/script/common/manager.sh
+++ b/docker-builder-data/build/script/common/manager.sh
@@ -15,8 +15,9 @@ export THREADS
 
 # root
 
-ROOT_DIR=`realpath "$0"`
-ROOT_DIR=`dirname "$ROOT_DIR"`
+OLDDIR=`pwd`
+ROOT_DIR=$(cd `dirname "$0"`; pwd)
+cd "$OLDDIR"
 ROOT_DIR=`dirname "$ROOT_DIR"`
 ROOT_DIR=`dirname "$ROOT_DIR"`
 export ROOT_DIR
diff --git a/docker-builder-data/build/script/packet/opentoonz-appimage.sh b/docker-builder-data/build/script/packet/opentoonz-appimage.sh
index 7e9abb4..f12e5eb 100644
--- a/docker-builder-data/build/script/packet/opentoonz-appimage.sh
+++ b/docker-builder-data/build/script/packet/opentoonz-appimage.sh
@@ -6,7 +6,7 @@ PK_APPDIR_NAME="opentoonz"
 pkinstall() {
 	# copy files from envdeps (install requires envdeps explicit)
 	
-	local APPDIR="$INSTALL_RELEASE_PACKET_DIR/$PK_APPDIR_NAME.AppDir"
+	local APPDIR="$INSTALL_PACKET_DIR/$PK_APPDIR_NAME.AppDir"
 	mkdir -p "$APPDIR/usr"
 	if ! cp "$ENVDEPS_PACKET_DIR/bin/AppRun" "$APPDIR/"; then
 		return 1
diff --git a/docker-builder-data/build/script/packet/opentoonz-master.files/launch-opentoonz.sh b/docker-builder-data/build/script/packet/opentoonz-master.files/launch-opentoonz.sh
index 0f84b34..d28148f 100755
--- a/docker-builder-data/build/script/packet/opentoonz-master.files/launch-opentoonz.sh
+++ b/docker-builder-data/build/script/packet/opentoonz-master.files/launch-opentoonz.sh
@@ -1,12 +1,13 @@
 #!/bin/sh
 
+OLDDIR=`pwd`
 SCRIPT_DIR=$(cd `dirname "$0"`; pwd)
+cd "$OLDDIR"
 BASE_DIR=`dirname "$SCRIPT_DIR"`
 
 export LD_LIBRARY_PATH="$BASE_DIR/lib:$BASE_DIR/lib64:$LD_LIBRARY_PATH"
 export QT_XKB_CONFIG_ROOT=$QT_XKB_CONFIG_ROOT:/usr/local/share/X11/xkb:/usr/share/X11/xkb
 
-OLDDIR=`pwd`
 cd "$BASE_DIR/bin"
 ./opentoonz "$@"
 cd "$OLDDIR"
diff --git a/docker-builder-i386/Dockerfile b/docker-builder-i386/Dockerfile
index f6ebc5e..7232720 100644
--- a/docker-builder-i386/Dockerfile
+++ b/docker-builder-i386/Dockerfile
@@ -9,7 +9,6 @@ RUN apt-get -yq upgrade
 # Install tools
 RUN apt-get -yq install \
     sudo \
-    realpath \
     pkg-config \
     g++ \
     make
diff --git a/docker-builder-i386/build.sh b/docker-builder-i386/build.sh
index 0d76147..d088a29 100755
--- a/docker-builder-i386/build.sh
+++ b/docker-builder-i386/build.sh
@@ -1,7 +1,8 @@
 #!/bin/bash
 
-SCRIPT_FILE=`realpath "$0"`
-SCRIPT_DIR=`dirname "$SCRIPT_FILE"`
+OLDDIR=`pwd`
+SCRIPT_DIR=$(cd `dirname "$0"`; pwd)
+cd "$OLDDIR"
 BASE_DIR=`dirname "$SCRIPT_DIR"`
 
 CONFIG_FILE="$BASE_DIR/config.sh"
diff --git a/docker-builder-i386/run.sh b/docker-builder-i386/run.sh
index 59d6a85..6e9d3ab 100755
--- a/docker-builder-i386/run.sh
+++ b/docker-builder-i386/run.sh
@@ -1,7 +1,8 @@
 #!/bin/bash
 
-SCRIPT_FILE=`realpath "$0"`
-SCRIPT_DIR=`dirname "$SCRIPT_FILE"`
+OLDDIR=`pwd`
+SCRIPT_DIR=$(cd `dirname "$0"`; pwd)
+cd "$OLDDIR"
 BASE_DIR=`dirname "$SCRIPT_DIR"`
 DATA_DIR="$BASE_DIR/docker-builder-data"
 
diff --git a/docker-builder/Dockerfile b/docker-builder/Dockerfile
index 7081c5b..34939d2 100644
--- a/docker-builder/Dockerfile
+++ b/docker-builder/Dockerfile
@@ -9,7 +9,6 @@ RUN apt-get -yq upgrade
 # Install tools
 RUN apt-get -yq install \
     sudo \
-    realpath \
     pkg-config \
     g++ \
     make
diff --git a/docker-builder/build.sh b/docker-builder/build.sh
index 0a5fa8f..ff7c574 100755
--- a/docker-builder/build.sh
+++ b/docker-builder/build.sh
@@ -1,7 +1,8 @@
 #!/bin/bash
 
-SCRIPT_FILE=`realpath "$0"`
-SCRIPT_DIR=`dirname "$SCRIPT_FILE"`
+OLDDIR=`pwd`
+SCRIPT_DIR=$(cd `dirname "$0"`; pwd)
+cd "$OLDDIR"
 BASE_DIR=`dirname "$SCRIPT_DIR"`
 
 CONFIG_FILE="$BASE_DIR/config.sh"
diff --git a/docker-builder/run.sh b/docker-builder/run.sh
index e03f7a0..bec9efe 100755
--- a/docker-builder/run.sh
+++ b/docker-builder/run.sh
@@ -1,7 +1,8 @@
 #!/bin/bash
 
-SCRIPT_FILE=`realpath "$0"`
-SCRIPT_DIR=`dirname "$SCRIPT_FILE"`
+OLDDIR=`pwd`
+SCRIPT_DIR=$(cd `dirname "$0"`; pwd)
+cd "$OLDDIR"
 BASE_DIR=`dirname "$SCRIPT_DIR"`
 DATA_DIR="$BASE_DIR/docker-builder-data"
 
diff --git a/restore_owner.sh b/restore_owner.sh
index ef8c71f..6b3999e 100755
--- a/restore_owner.sh
+++ b/restore_owner.sh
@@ -1,7 +1,8 @@
 #!/bin/bash
 
-SCRIPT_FILE=`realpath "$0"`
-BASE_DIR=`dirname "$SCRIPT_FILE"`
+OLDDIR=`pwd`
+BASE_DIR=$(cd `dirname "$0"`; pwd)
+cd "$OLDDIR"
 DATA_DIR="$BASE_DIR/docker-builder-data"
 
 CONFIG_FILE="$BASE_DIR/config.sh"
diff --git a/run-native.sh b/run-native.sh
index 51648d3..f1d7cb5 100755
--- a/run-native.sh
+++ b/run-native.sh
@@ -1,7 +1,8 @@
 #!/bin/bash
 
-SCRIPT_FILE=`realpath "$0"`
-BASE_DIR=`dirname "$SCRIPT_FILE"`
+OLDDIR=`pwd`
+BASE_DIR=$(cd `dirname "$0"`; pwd)
+cd "$OLDDIR"
 DATA_DIR="$BASE_DIR/docker-builder-data"
 BUILD_DIR=$DATA_DIR/build