diff --git a/installer/deb/postinst.sh b/installer/deb/postinst.sh
index 41b7ee06..fb566a20 100644
--- a/installer/deb/postinst.sh
+++ b/installer/deb/postinst.sh
@@ -1,4 +1,4 @@
 #!/bin/sh
 
 # create /bin symlink
-ln -s /usr/share/filebot/bin/filebot.sh /usr/bin/filebot
+ln -s -f /usr/share/filebot/bin/filebot.sh /usr/bin/filebot
diff --git a/installer/deb/prerem.sh b/installer/deb/prerem.sh
index 71793752..a07e2b39 100644
--- a/installer/deb/prerem.sh
+++ b/installer/deb/prerem.sh
@@ -1,4 +1,4 @@
 #!/bin/sh
 
 # remove /bin symlink
-rm /usr/bin/filebot
+rm -f /usr/bin/filebot
diff --git a/installer/ipkg/postinst.sh b/installer/ipkg/postinst.sh
index b742e8b5..b10aaa63 100644
--- a/installer/ipkg/postinst.sh
+++ b/installer/ipkg/postinst.sh
@@ -1,4 +1,4 @@
 #!/bin/sh
 
 # create /bin symlink
-ln -s /opt/share/filebot/bin/filebot.sh /opt/bin/filebot
+ln -s -f /opt/share/filebot/bin/filebot.sh /opt/bin/filebot
diff --git a/installer/ipkg/prerem.sh b/installer/ipkg/prerem.sh
index 8f174d15..5e71bc50 100644
--- a/installer/ipkg/prerem.sh
+++ b/installer/ipkg/prerem.sh
@@ -1,4 +1,4 @@
 #!/bin/sh
 
 # remove /bin symlink
-rm /opt/bin/filebot
+rm -f /opt/bin/filebot