diff --git a/packages/pagebuilder/lib/parseStorageHtml.js b/packages/pagebuilder/lib/parseStorageHtml.js
index dfa5edd37b..eefab5f66b 100644
--- a/packages/pagebuilder/lib/parseStorageHtml.js
+++ b/packages/pagebuilder/lib/parseStorageHtml.js
@@ -111,7 +111,14 @@ const convertToInlineStyles = document => {
                                 css: rule.style.cssText
                             };
                         });
-                        mediaStyles[media] = styles;
+
+                        const existingMediaStyles = mediaStyles[media]
+                            ? mediaStyles[media]
+                            : [];
+                        mediaStyles[media] = [
+                            ...existingMediaStyles,
+                            ...styles
+                        ];
                     });
                 }
             });