diff --git a/install.deb.sh b/install.deb.sh
index 5b7e379..5f6f47d 100755
--- a/install.deb.sh
+++ b/install.deb.sh
@@ -45,7 +45,7 @@ EOF
     mkdir -p "${T_DIR}$(dirname "${APT_CONFIG_NAME}")"
     # shellcheck disable=SC2027
     echo "Acquire::http::ProxyAutoDetect \""${TARGET}"\";" > "${T_DIR}${APT_CONFIG_NAME}"
-    echo "Acquire::https::ProxyAutoDetect \""${TARGET}"\";" > "${T_DIR}${APT_CONFIG_NAME}"
+    echo "Acquire::https::ProxyAutoDetect \""${TARGET}"\";" >> "${T_DIR}${APT_CONFIG_NAME}"
 
 )
 
diff --git a/install.deb.sh.template b/install.deb.sh.template
index bf475c2..6534086 100755
--- a/install.deb.sh.template
+++ b/install.deb.sh.template
@@ -45,7 +45,7 @@ EOF
     mkdir -p "${T_DIR}$(dirname "${APT_CONFIG_NAME}")"
     # shellcheck disable=SC2027
     echo "Acquire::http::ProxyAutoDetect \""${TARGET}"\";" > "${T_DIR}${APT_CONFIG_NAME}"
-    echo "Acquire::https::ProxyAutoDetect \""${TARGET}"\";" > "${T_DIR}${APT_CONFIG_NAME}"
+    echo "Acquire::https::ProxyAutoDetect \""${TARGET}"\";" >> "${T_DIR}${APT_CONFIG_NAME}"
 
 )