diff --git a/installer/msi/filebot.l4j.ini b/installer/msi/filebot.l4j.ini
index 9b69a5f6..1fcd2b0c 100644
--- a/installer/msi/filebot.l4j.ini
+++ b/installer/msi/filebot.l4j.ini
@@ -18,6 +18,7 @@
 
 # look for native libs here
 -Djna.library.path="%EXEDIR%"
+-Djna.boot.library.path="%EXEDIR%"
 -Djava.library.path="%EXEDIR%"
 
 # look for fpcalc here
diff --git a/installer/msi/filebot.launcher.l4j.ini b/installer/msi/filebot.launcher.l4j.ini
index 918e0e89..59c67834 100644
--- a/installer/msi/filebot.launcher.l4j.ini
+++ b/installer/msi/filebot.launcher.l4j.ini
@@ -22,6 +22,7 @@
 
 # look for native libs here
 -Djna.library.path="%EXEDIR%"
+-Djna.boot.library.path="%EXEDIR%"
 -Djava.library.path="%EXEDIR%"
 
 # look for fpcalc here
diff --git a/installer/msi/filebot.platform.launcher.l4j.ini b/installer/msi/filebot.platform.launcher.l4j.ini
index 3400349b..ab2f0511 100644
--- a/installer/msi/filebot.platform.launcher.l4j.ini
+++ b/installer/msi/filebot.platform.launcher.l4j.ini
@@ -26,6 +26,7 @@
 
 # look for native libs here
 -Djna.library.path="%EXEDIR%"
+-Djna.boot.library.path="%EXEDIR%"
 -Djava.library.path="%EXEDIR%"
 
 # look for fpcalc here
diff --git a/installer/portable/FileBot.l4j.ini b/installer/portable/FileBot.l4j.ini
index fd71f95c..3458760b 100644
--- a/installer/portable/FileBot.l4j.ini
+++ b/installer/portable/FileBot.l4j.ini
@@ -25,6 +25,9 @@
 -Djna.library.path="%EXEDIR%"
 -Djava.library.path="%EXEDIR%"
 
+# do not use any JNA libs that are already installed
+-Djna.nosys=true
+
 # look for fpcalc here
 -Dnet.sourceforge.filebot.AcoustID.fpcalc="%EXEDIR%\fpcalc.exe"