diff --git a/src/babashka/curl.clj b/src/babashka/curl.clj
index 0379881..b78b4df 100644
--- a/src/babashka/curl.clj
+++ b/src/babashka/curl.clj
@@ -74,13 +74,7 @@
                  (case method
                    :head ["--head"]
                    ["--request" (-> method name str/upper-case)]))
-        headers (:headers opts)
-        headers (loop [headers* (transient [])
-                       kvs (seq headers)]
-                  (if kvs
-                    (let [[k v] (first kvs)]
-                      (recur (reduce conj! headers* ["-H" (str k ": " v)]) (next kvs)))
-                    (persistent! headers*)))
+        headers (into [] (mapcat (fn [[k v]] ["-H" (str (name k) ": " v)])) (:headers opts))
         accept-header (accept-header opts)
         form-params (when-let [form-params (:form-params opts)]
                       (loop [params* (transient [])
diff --git a/test/babashka/curl_test.clj b/test/babashka/curl_test.clj
index ccb3728..69c24b4 100644
--- a/test/babashka/curl_test.clj
+++ b/test/babashka/curl_test.clj
@@ -255,3 +255,11 @@
        (-> (curl/get "https://api.stackexchange.com/2.2/sites"
                      {:compressed false})
            :body (json/parse-string true) :items))))
+
+(deftest header-with-keyword-key-test
+  (is (= 200
+         (-> (curl/get "https://httpstat.us/200"
+                       {:headers {:accept "application/json"}})
+             :body
+             (json/parse-string true)
+             :code))))