diff --git a/update b/update
index 2f72c779..722a8fcb 100755
--- a/update
+++ b/update
@@ -261,7 +261,7 @@ if [ ! -d "/home/pi/fctelem" ]; then
 	mkdir /home/pi/fctelem/public_html
 	cd fctelem
 	wget https://github.com/alanbjohnston/go/releases/download/v0.2/fctelem.zip
-	unzip fctelem.zip
+	unzip -u fctelem.zip
 	FLAG=1
 elif [ ! -f "/home/pi/fctelem/v0.2" ]; then
 	echo "Updating fctelem binary to version v0.2 for FUNcube mode"
@@ -271,7 +271,7 @@ elif [ ! -f "/home/pi/fctelem/v0.2" ]; then
 	sudo mv fcdecode.conf fcdecode.conf.bk
 	sudo mv fctelem.zip fctelem.zip.1
 	wget https://github.com/alanbjohnston/go/releases/download/v0.2/fctelem.zip
-	unzip fctelem.zip
+	unzip -u fctelem.zip
 	FLAG=1
 fi