diff --git a/docker-builder-data/build/script/packet/opentoonz-master.sh b/docker-builder-data/build/script/packet/opentoonz-master.sh
index ce442d0..500a3c7 100644
--- a/docker-builder-data/build/script/packet/opentoonz-master.sh
+++ b/docker-builder-data/build/script/packet/opentoonz-master.sh
@@ -31,7 +31,7 @@ pkbuild() {
     fi
     if [ "$PLATFORM" = "win" ]; then
         LOCAL_CMAKE_OPTIONS="$LOCAL_CMAKE_OPTIONS -DCMAKE_SYSTEM_NAME=Windows"
-        LOCAL_PNG_LIB="libpng16.a"
+        LOCAL_PNG_LIB="libpng16.dll.a"
         LOCAL_GLUT_LIB="libfreeglut.dll.a"
     fi
 
diff --git a/docker-builder-data/build/script/packet/opentoonz-nsis.sh b/docker-builder-data/build/script/packet/opentoonz-nsis.sh
index 9041720..1154e73 100644
--- a/docker-builder-data/build/script/packet/opentoonz-nsis.sh
+++ b/docker-builder-data/build/script/packet/opentoonz-nsis.sh
@@ -39,7 +39,7 @@ pkinstall_release() {
 
     # copy files
     copy "$ENVDEPS_RELEASE_PACKET_DIR" "./" || return 1
-    
+
     # get version
     local LOCAL_VERSION_FULL=$(cat $ENVDEPS_RELEASE_PACKET_DIR/version-opentoonz-*)
     local LOCAL_VERSION=$(echo "$LOCAL_VERSION_FULL" | cut -d - -f 1)
@@ -53,7 +53,7 @@ pkinstall_release() {
 
     # copy NSIS configuration
     cp "$FILES_PACKET_DIR/opentoonz.nsi" "./" || return 1
-            
+
     # create config.nsh (see opentoons.nsi)
     cat > config.nsh << EOF
 !define PK_NAME         "OpenToonz" 
@@ -66,7 +66,7 @@ pkinstall_release() {
 EOF
 
     # let's go
-    makensis -INPUTCHARSET UTF8 opentoonz.nsi || return 1
+    makensis opentoonz.nsi || return 1
 
     # remove temporary dir
     cd "$INSTALL_RELEASE_PACKET_DIR" || return 1