diff --git a/build-opentoonz-testing.sh b/build-opentoonz-testing.sh
index f21116f..d7b6932 100755
--- a/build-opentoonz-testing.sh
+++ b/build-opentoonz-testing.sh
@@ -45,6 +45,7 @@ run_nsis() {
     echo ""
     echo "Update and build opentoonz for $PLATFORM-$ARCH"
     echo ""
+    PLATFORM=win ARCH=32 $SCRIPT clean_before_do env zlib-1.2.11 # for NSIS
     $SCRIPT chain update opentoonz-testing \
             chain clean_before_do install_release opentoonz-testingnsis
 
diff --git a/build-opentoonz.sh b/build-opentoonz.sh
index adf38e8..aa20500 100755
--- a/build-opentoonz.sh
+++ b/build-opentoonz.sh
@@ -44,6 +44,7 @@ run_nsis() {
     echo ""
     echo "Update and build opentoonz for $PLATFORM-$ARCH"
     echo ""
+    PLATFORM=win ARCH=32 $SCRIPT clean_before_do env zlib-1.2.11 # for NSIS
     $SCRIPT chain update opentoonz-master \
             chain clean_before_do install_release opentoonz-nsis
 
diff --git a/build-papagayong.sh b/build-papagayong.sh
index a4cafae..7232640 100755
--- a/build-papagayong.sh
+++ b/build-papagayong.sh
@@ -45,8 +45,9 @@ run_nsis() {
     echo "Update and build papagayong for $PLATFORM-$ARCH"
     echo ""
     # QUICK HACK:
+    PLATFORM=win ARCH=32 $SCRIPT clean_before_do env zlib-1.2.11 # for NSIS
     $SCRIPT chain update papagayong-testing \
-            chain clean_before_do unpack papagayong-testing \
+            chain clean_before_do build papagayong-testing \
             chain shell papagayong-testing "/build/script/packet/papagayong-testing.files/build-win.sh"
 
     local TEMPLATE=`gen_name_template "PapagayoNG" "" "$PLATFORM" "$ARCH" ".exe"`
diff --git a/build-synfigstudio-debug.sh b/build-synfigstudio-debug.sh
index 916a62f..3423a86 100755
--- a/build-synfigstudio-debug.sh
+++ b/build-synfigstudio-debug.sh
@@ -49,6 +49,7 @@ run_nsis() {
     echo ""
     echo "Update synfigstudio-debug for $PLATFORM-$ARCH"
     echo ""
+    PLATFORM=win ARCH=32 $SCRIPT clean_before_do env zlib-1.2.11 # for NSIS
     $SCRIPT chain native update synfigetl-debug \
             chain native update synfigcore-debug \
             chain update synfigetl-debug \
diff --git a/build-synfigstudio.sh b/build-synfigstudio.sh
index 549d597..d2d3d31 100755
--- a/build-synfigstudio.sh
+++ b/build-synfigstudio.sh
@@ -49,6 +49,7 @@ run_nsis() {
     echo ""
     echo "Update and build synfigstudio for $PLATFORM-$ARCH"
     echo ""
+    PLATFORM=win ARCH=32 $SCRIPT clean_before_do env zlib-1.2.11 # for NSIS
     $SCRIPT chain native update synfigetl-master \
             chain native update synfigcore-master \
             chain update synfigetl-master \
diff --git a/docker-builder-data/build/script/packet/nsis-3.02.1.sh b/docker-builder-data/build/script/packet/nsis-3.02.1.sh
index a74e308..dd55af5 100644
--- a/docker-builder-data/build/script/packet/nsis-3.02.1.sh
+++ b/docker-builder-data/build/script/packet/nsis-3.02.1.sh
@@ -5,25 +5,32 @@ PK_DIRNAME="nsis-3.02.1-src"
 PK_ARCHIVE="$PK_DIRNAME.tar.bz2"
 PK_URL="http://prdownloads.sourceforge.net/nsis/$PK_ARCHIVE"
 
+#TODO: hardcoded path to mingw binaries
+#TODO: untracked dependency for zlib win32
+
+PK_PATH="/usr/local/i686-w64-mingw32/sys-root/bin:$PATH"
+PK_ZLIB_W32="$PACKET_BUILD_DIR/win-32/zlib-1.2.11/env"
+PK_NSIS_MAX_STRLEN=131072
+
 source $INCLUDE_SCRIPT_DIR/inc-pkall-default.sh
 
 pkbuild() {
     cd "$BUILD_PACKET_DIR/$PK_DIRNAME" || return 1
-    native_at_place with_envvar PATH "$PATH" scons \
+    PATH="$PK_PATH" scons \
         PREFIX="$INSTALL_PACKET_DIR" \
-        ZLIB_W32="$ENVDEPS_PACKET_DIR" \
+        ZLIB_W32="$PK_ZLIB_W32" \
         SKIPUTILS="NSIS Menu" \
-        NSIS_MAX_STRLEN=131072 \
+        NSIS_MAX_STRLEN=$PK_NSIS_MAX_STRLEN \
      || return 1 
 }
 
 pkinstall() {
     cd "$BUILD_PACKET_DIR/$PK_DIRNAME"
-    native_at_place with_envvar PATH "$PATH" scons \
+    PATH="$PK_PATH" scons \
         PREFIX="$INSTALL_PACKET_DIR" \
-        ZLIB_W32="$ENVDEPS_PACKET_DIR" \
+        ZLIB_W32="$PK_ZLIB_W32" \
         SKIPUTILS="NSIS Menu" \
-        NSIS_MAX_STRLEN=8192 \
+        NSIS_MAX_STRLEN=$PK_NSIS_MAX_STRLEN \
         install \
      || return 1 
 }
diff --git a/docker-builder-data/build/script/packet/opentoonz-nsis.sh b/docker-builder-data/build/script/packet/opentoonz-nsis.sh
index 36a9cfa..ff540d2 100644
--- a/docker-builder-data/build/script/packet/opentoonz-nsis.sh
+++ b/docker-builder-data/build/script/packet/opentoonz-nsis.sh
@@ -1,4 +1,5 @@
-DEPS="opentoonz-master nsis-3.02.1"
+DEPS="opentoonz-master"
+DEPS_NATIVE="nsis-3.02.1"
 
 pkfunc_register_file() {
     local FILE=$1
diff --git a/docker-builder-data/build/script/packet/papagayong-master.sh b/docker-builder-data/build/script/packet/papagayong-master.sh
index 7547d0b..7f44521 100644
--- a/docker-builder-data/build/script/packet/papagayong-master.sh
+++ b/docker-builder-data/build/script/packet/papagayong-master.sh
@@ -1,5 +1,9 @@
 DEPS="wxphoenix-master python3pyaudio-master"
 
+if [ "$PLATFORM" = "win" ]; then
+    DEPS_NATIVE="nsis-3.02.1"
+fi
+
 PK_DIRNAME="papagayo-ng"
 PK_URL="https://github.com/morevnaproject/$PK_DIRNAME.git"
 
diff --git a/docker-builder-data/build/script/packet/synfigstudio-nsis.sh b/docker-builder-data/build/script/packet/synfigstudio-nsis.sh
index c3bb16c..47aacc4 100644
--- a/docker-builder-data/build/script/packet/synfigstudio-nsis.sh
+++ b/docker-builder-data/build/script/packet/synfigstudio-nsis.sh
@@ -1,4 +1,5 @@
-DEPS="synfigstudio-master nsis-3.02.1"
+DEPS="synfigstudio-master"
+DEPS_NATIVE="nsis-3.02.1"
 
 PK_PYTHON_DIRNAME="python"
 PK_PYTHON_ARCHIVE="portable-python-3.2.5.1.zip"