diff --git a/lua/rest-nvim/curl/init.lua b/lua/rest-nvim/curl/init.lua
index 7b3bfd6b..d0d928a1 100644
--- a/lua/rest-nvim/curl/init.lua
+++ b/lua/rest-nvim/curl/init.lua
@@ -103,14 +103,9 @@ local function create_callback(curl_cmd, opts)
       return
     end
     local res_bufnr = M.get_or_create_buf()
-    local content_type = nil
-
-    -- get content type
-    for _, header in ipairs(res.headers) do
-      if string.lower(header):find("^content%-type") then
-        content_type = header:match("application/([-a-z]+)") or header:match("text/(%l+)")
-        break
-      end
+    local content_type = res.headers[utils.key(res.headers,'content-type')]
+    if content_type then
+      content_type = content_type:match("application/([-a-z]+)") or content_type:match("text/(%l+)")
     end
 
     if script_str ~= nil then
diff --git a/lua/rest-nvim/init.lua b/lua/rest-nvim/init.lua
index edc0a4d8..fe94261d 100644
--- a/lua/rest-nvim/init.lua
+++ b/lua/rest-nvim/init.lua
@@ -101,13 +101,7 @@ local function splice_body(headers, payload)
   else
     lines = payload.body_tpl
   end
-  local content_type = ""
-  for key, val in pairs(headers) do
-    if string.lower(key) == "content-type" then
-      content_type = val
-      break
-    end
-  end
+  local content_type = headers[utils.key(headers,"content-type")] or ""
   local has_json = content_type:find("application/[^ ]*json")
 
   local body = ""
diff --git a/lua/rest-nvim/request/init.lua b/lua/rest-nvim/request/init.lua
index 0f1fdc5c..6b071b11 100644
--- a/lua/rest-nvim/request/init.lua
+++ b/lua/rest-nvim/request/init.lua
@@ -286,12 +286,9 @@ M.buf_get_request = function(bufnr, curpos)
 
   local curl_args, body_start = get_curl_args(bufnr, headers_end, end_line)
 
-  if headers["host"] ~= nil then
-    headers["host"] = headers["host"]:gsub("%s+", "")
-    headers["host"] = string.gsub(headers["host"], "%s+", "")
-    parsed_url.url = headers["host"] .. parsed_url.url
-    headers["host"] = nil
-  end
+  local host = headers[utils.key(headers,"host")] or ""
+  parsed_url.url = host:gsub("%s+", "") .. parsed_url.url
+  headers[utils.key(headers,"host")] = nil
 
   local body = get_body(bufnr, body_start, end_line)
 
diff --git a/lua/rest-nvim/utils/init.lua b/lua/rest-nvim/utils/init.lua
index 2c8393ac..99fa73cc 100644
--- a/lua/rest-nvim/utils/init.lua
+++ b/lua/rest-nvim/utils/init.lua
@@ -107,6 +107,7 @@ M.get_file_variables = function()
   end
   return variables
 end
+
 -- Gets the variables from the currently selected env_file
 M.get_env_variables = function()
   local variables = {}
@@ -286,6 +287,19 @@ M.has_value = function(tbl, str)
   return false
 end
 
+-- key returns the provided table's key that matches the given case-insensitive pattern.
+-- if not found, return the given key.
+-- @param tbl Table to iterate over
+-- @param key The key to be searched in the table
+M.key = function(tbl, key)
+  for tbl_key, _ in pairs(tbl) do
+    if string.lower(tbl_key) == string.lower(key) then
+      return tbl_key
+    end
+  end
+  return key
+end
+
 -- tbl_to_str recursively converts the provided table into a json string
 -- @param tbl Table to convert into a String
 -- @param json If the string should use a key:value syntax
diff --git a/tests/get_with_host.http b/tests/get_with_host.http
index 0e66b253..a76c11bd 100644
--- a/tests/get_with_host.http
+++ b/tests/get_with_host.http
@@ -1,7 +1,7 @@
 ###
 
 GET /api/users?page=5
-Host: https://reqres.in
+host: https://reqres.in
 
 ###
 
diff --git a/tests/main_spec.lua b/tests/main_spec.lua
index dc4accfe..2f35f4bc 100644
--- a/tests/main_spec.lua
+++ b/tests/main_spec.lua
@@ -6,6 +6,7 @@ describe("rest testing framework", function()
     assert(rest.run_file("tests/basic_get.http", opts) == true)
     assert(rest.run_file("tests/post_json_form.http", opts) == true)
     assert(rest.run_file("tests/post_create_user.http", opts) == true)
+    assert(rest.run_file("tests/get_with_host.http", opts) == true)
     assert(rest.run_file("tests/put_update_user.http", opts) == true)
     assert(rest.run_file("tests/patch_update_user.http", opts) == true)
     assert(rest.run_file("tests/delete.http", opts) == true)