diff --git a/debtap b/debtap
index 3b5d0a1..1bdee2d 100755
--- a/debtap
+++ b/debtap
@@ -3096,7 +3096,7 @@ fi
 if [[ -e postinst ]]; then
 	sed -i -e '/how this script works/,/debian-policy/d' -e '/how this script works/,/version>/d' -e '/dh_installdeb/,/DEBHELPER/d' postinst
 	if [[ $(grep -c "case in \$1\|case in \${1}\|case in \"\$1\"\|case in \"\${1}\"\|case \$1 in\|case \${1} in\|case \"\$1\" in\|case \"\${1}\" in" postinst) == $(grep -c "case " postinst) ]]; then
-		sed -i -e '/case in \$1/,/configure/{/configure/!d}' -e '/case in \${1}/,/configure/{/,configure/!d}' -e '/case in "\$1"/,/configure/{/configure/!d}' -e '/case in "\${1}"/,/configure/{/,configure/!d}' -e '/case \$1 in/,/configure/{/configure/!d}' -e '/case \${1} in/,/configure/{/,configure/!d}' -e '/case in "\$1"/,/configure/{/configure/!d}' -e '/case "\${1}" in/,/configure/{/,configure/!d}' -e '/;;/,/esac/{/;;/!d}' postinst
+		sed -i -e '/case in \$1/,/configure/{/configure/!d}' -e '/case in \${1}/,/configure/{/,configure/!d}' -e '/case in "\$1"/,/configure/{/configure/!d}' -e '/case in "\${1}"/,/configure/{/,configure/!d}' -e '/case \$1 in/,/configure/{/configure/!d}' -e '/case \${1} in/,/configure/{/,configure/!d}' -e '/case in "\$1"/,/configure/{/configure/!d}' -e '/case "\$1" in/,/configure/{/configure/!d}' -e '/case "\${1}" in/,/configure/{/,configure/!d}' -e '/;;/,/esac/{/;;/!d}' postinst
 		sed -i -e '/[[:blank:]]\{0,\}lintian.*/,/}/d' -e '/[[:blank:]]\{0,\}if.*update-app-install.*/,/fi/d' -e '/[[:blank:]]\{0,\}if.*update-software-center.*/,/fi/d' -e '/[[:blank:]]\{0,\}if.*RET.*/,/fi/d' -e '/.*\*)[[:blank:]]\{0,\}/,/esac/d' postinst
 		sed -i -e '/.*configure.*)[[:blank:]]\{0,\}$/d' -e '/^[[:blank:]]\{0,\};;[[:blank:]]\{0,\}$/d' -e '/^[[:blank:]]\{0,\}exit 0[[:blank:]]\{0,\}$/d' -e '/^[[:blank:]]\{0,\}exit[[:blank:]]\{0,\}$/d' postinst
 		sed -i -e s'/.*\*)[[:blank:]]{0,\}\(.*\)/\1/g' -e s'/.*configure.*)[[:blank:]]\{0,\}\(.*\)$/\1/g' -e s'/^[[:blank:]]\{0,\};;[[:blank:]]\{0,\}\(.*\)$/\1/g' -e s'/^\(.*\)[[:blank:]]\{0,\}\(; \)\{0,1\}\( && \)\{0,1\}[[:blank:]]\{0,\}exit 0[[:blank:]]\{0,\}$/\1/g' -e s'/^\(.*\)[[:blank:]]\{0,\}\(; \)\{0,1\}\( && \)\{0,1\}[[:blank:]]\{0,\}exit[[:blank:]]\{0,\}$/\1/g' postinst