diff --git a/install.sh.in b/install.sh.in
index 25549d9..03d14a9 100644
--- a/install.sh.in
+++ b/install.sh.in
@@ -231,21 +231,21 @@ write_apt_repo() {
 	$SUDO apt-get install -y gpg
 	$SUDO chmod a+r /tmp/zt-gpg-key
 
-	if   [[ "$DISTRIBUTION" == "ubuntu" && "$VERSION" < "22.04" ]]; then
+	if   [[ "$DISTRIBUTION" == "ubuntu" && $(echo "$VERSION < 22.04" | bc) ]]; then
 		_old_apt_signing $URL $CODENAME
-	elif [[ ("$DISTRIBUTION" == "debian" || "$DISTRIBUTION" == "raspbian") && "$VERSION" -lt "10" ]]; then
+	elif [[ ("$DISTRIBUTION" == "debian" || "$DISTRIBUTION" == "raspbian") && $(echo "$VERSION < 10" | bc ) ]]; then
 		_old_apt_signing $URL $CODENAME
-	elif [[ "$DISTRIBUTION" == "ubuntu" && "$VERSION" > "22.03" ]]; then  # comparison to 22.03 is intentional
+	elif [[ "$DISTRIBUTION" == "ubuntu" && $(echo "$VERSION > 22.03" | bc) ]]; then  # comparison to 22.03 is intentional
 		_new_apt_signing $URL $CODENAME
-	elif [[ ("$DISTRIBUTION" == "debian" || "$DISTRIBUTION" == "raspbian") && "$VERSION" -ge "10" ]]; then
+	elif [[ ("$DISTRIBUTION" == "debian" || "$DISTRIBUTION" == "raspbian") && $(echo "$VERSION >= 10" | bc) ]]; then
 		_new_apt_signing $URL $CODENAME
 	elif [[ "$DISTRIBUTION" == "kali" ]]; then
 		_new_apt_signing $URL $CODENAME
 	elif [[ "$DISTRIBUTION" == "linuxmint" && "$VERSION" == "6" ]]; then
 		_new_apt_signing $URL $CODENAME
-	elif [[ "$DISTRIBUTION" == "linuxmint" && ( "$VERSION" == "21" || "$VERSION" > "21" ) ]]; then
+	elif [[ "$DISTRIBUTION" == "linuxmint" && ( "$VERSION" == "21" || $(echo "$VERSION > 21" | bc) ) ]]; then
 		_new_apt_signing $URL $CODENAME
-	elif [[ "$DISTRIBUTION" == "linuxmint" && ( "$VERSION" == "20" || ("$VERSION" > "20" && "$VERSION" < "21" ) ) ]]; then
+	elif [[ "$DISTRIBUTION" == "linuxmint" && ( "$VERSION" == "20" || ( $(echo "$VERSION > 20" | bc) && $(echo "$VERSION < 21" | bc ) ) ) ]]; then
 		_old_apt_signing $URL $CODENAME
 	else
 		echo "Unsupported distribution $DISTRIBUTION $VERSION"
@@ -297,7 +297,7 @@ elif [ $ID == "ubuntu" ] || [ $ID == "pop" ]; then
 elif [ $ID == "linuxmint" ]; then
 	echo '*** Detected Linux Mint, creating /etc/apt/sources.list.d/zerotier.list'
 
-	if [[ "$VERSION_ID" > "$MAX_SUPPORTED_MINT_VERSION" ]]; then
+	if [[ "$VERSION_ID" -gt "$MAX_SUPPORTED_MINT_VERSION" ]]; then
 		write_apt_repo $ID $MAX_SUPPORTED_MINT_VERSION $ZT_BASE_URL_HTTP $MAX_SUPPORTED_MINT_VERSION_NAME
 	else 
 		write_apt_repo $ID $VERSION_ID $ZT_BASE_URL_HTTP ${MINT_CODENAME_MAP[${VERSION_CODENAME}]}