diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1d627f3..02032f8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,9 @@
 ## Fixed
 
 ## Changed
+- Normalize spacing in style attr with multiple properties.
+  Where before the generated style attr might have "\n" or "   ",
+  these are all now a simple " ", e.g. in-between multiple CSS properties.
 
 # 0.9.48 (2024-06-18 / e43362c)
 
diff --git a/src/lambdaisland/hiccup.clj b/src/lambdaisland/hiccup.clj
index 5c36408..4d4187d 100644
--- a/src/lambdaisland/hiccup.clj
+++ b/src/lambdaisland/hiccup.clj
@@ -120,6 +120,7 @@
             (update-in [:attrs "style"] (fn [style]
                                           (-> (gc/compile-css [:& style])
                                               (str/replace #"^\s*\{|\}\s*$" "")
+                                              (str/replace #"[ \n]+" " ")
                                               str/trim)))
             (sequential? (get-in node [:attrs "class"]))
             (update-in [:attrs "class"] #(str/join " " %))
diff --git a/test/lambdaisland/hiccup_test.clj b/test/lambdaisland/hiccup_test.clj
index 2abbaf1..f7ad013 100644
--- a/test/lambdaisland/hiccup_test.clj
+++ b/test/lambdaisland/hiccup_test.clj
@@ -1,4 +1,3 @@
-
 (ns lambdaisland.hiccup-test
   (:require [clojure.test :refer [deftest testing is]]
             [lambdaisland.hiccup :as hiccup]))
@@ -19,8 +18,9 @@
     (is (= (hiccup/render [:div [:p]] {:doctype? false})
            "<div><p></p></div>")))
   (testing "styled tag"
-    (is (= (hiccup/render [:div {:style {:color "blue"}} [:p]] {:doctype? false})
-           "<div style=\"color: blue;\"><p></p></div>")))
+    (let [style {:color "blue" :border "black"}]
+      (is (= (hiccup/render [:div {:style style} [:p]] {:doctype? false})
+           "<div style=\"color: blue; border: black;\"><p></p></div>"))))
   (testing "simple component"
     (is (= (hiccup/render [my-test-component "hello"] {:doctype? false})
            "<p>hello</p>")))