diff --git a/app/src/main/java/com/vitorpamplona/amethyst/ui/components/RichTextViewer.kt b/app/src/main/java/com/vitorpamplona/amethyst/ui/components/RichTextViewer.kt
index 59e223fe9..ed19bcc92 100644
--- a/app/src/main/java/com/vitorpamplona/amethyst/ui/components/RichTextViewer.kt
+++ b/app/src/main/java/com/vitorpamplona/amethyst/ui/components/RichTextViewer.kt
@@ -42,7 +42,7 @@ import java.net.URL
 import java.util.regex.Pattern
 
 val imageExtension = Pattern.compile("(.*/)*.+\\.(png|jpg|gif|bmp|jpeg|webp|svg)$")
-val videoExtension = Pattern.compile("(.*/)*.+\\.(mp4|avi|wmv|mpg|amv|webm)$")
+val videoExtension = Pattern.compile("(.*/)*.+\\.(mp4|avi|wmv|mpg|amv|webm|mov)$")
 val noProtocolUrlValidator = Pattern.compile("^[-a-zA-Z0-9@:%._\\+~#=]{1,256}\\.[a-zA-Z0-9()]{1,6}\\b(?:[-a-zA-Z0-9()@:%_\\+.~#?&//=]*)$")
 val tagIndex = Pattern.compile(".*\\#\\[([0-9]+)\\].*")