diff --git a/installer/portable/FileBot.l4j.ini b/installer/portable/FileBot.l4j.ini
index a9a5f2d4..648101f0 100644
--- a/installer/portable/FileBot.l4j.ini
+++ b/installer/portable/FileBot.l4j.ini
@@ -8,7 +8,7 @@
 -Dapplication.analytics=true
 
 # network settings
--Djava.net.useSystemProxies=true
+-Djava.net.useSystemProxies=false
 -Dsun.net.client.defaultConnectTimeout=10000
 -Dsun.net.client.defaultReadTimeout=60000
 
diff --git a/installer/portable/filebot.sh b/installer/portable/filebot.sh
index 45ed583a..e57dfbdd 100644
--- a/installer/portable/filebot.sh
+++ b/installer/portable/filebot.sh
@@ -6,4 +6,4 @@ dir_bin="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
 # force JVM language and encoding settings
 export LANG=en_US.utf8
 
-java -Dunixfs=false -DuseGVFS=false -DuseExtendedFileAttributes=false -DuseCreationDate=false -Dfile.encoding=UTF-8 -Djava.net.useSystemProxies=true -Dsun.net.client.defaultConnectTimeout=10000 -Dsun.net.client.defaultReadTimeout=60000 -Djna.nosys=true -Dapplication.deployment=portable -Dapplication.analytics=true -Dapplication.warmup=false -Dnet.sourceforge.filebot.AcoustID.fpcalc=fpcalc "-Dapplication.dir=$dir_bin" "-Djava.io.tmpdir=$dir_bin/temp" "-Duser.home=$dir_bin" "-Djna.library.path=$dir_bin" "-Djava.library.path=$dir_bin" -Djava.util.prefs.PreferencesFactory=net.sourceforge.tuned.prefs.FilePreferencesFactory "-Dnet.sourceforge.tuned.prefs.file=$dir_bin/prefs.properties" -jar "$dir_bin/FileBot.jar" "$@"
+java -Dunixfs=false -DuseGVFS=false -DuseExtendedFileAttributes=false -DuseCreationDate=false -Dfile.encoding=UTF-8 -Djava.net.useSystemProxies=false -Dsun.net.client.defaultConnectTimeout=10000 -Dsun.net.client.defaultReadTimeout=60000 -Djna.nosys=true -Dapplication.deployment=portable -Dapplication.analytics=true -Dapplication.warmup=false -Dnet.sourceforge.filebot.AcoustID.fpcalc=fpcalc "-Dapplication.dir=$dir_bin" "-Djava.io.tmpdir=$dir_bin/temp" "-Duser.home=$dir_bin" "-Djna.library.path=$dir_bin" "-Djava.library.path=$dir_bin" -Djava.util.prefs.PreferencesFactory=net.sourceforge.tuned.prefs.FilePreferencesFactory "-Dnet.sourceforge.tuned.prefs.file=$dir_bin/prefs.properties" -jar "$dir_bin/FileBot.jar" "$@"