diff --git a/openvidu-server/src/main/java/io/openvidu/server/config/ServletCustomizer.java b/openvidu-server/src/main/java/io/openvidu/server/config/ServletCustomizer.java
index e4e133d1..35689b56 100644
--- a/openvidu-server/src/main/java/io/openvidu/server/config/ServletCustomizer.java
+++ b/openvidu-server/src/main/java/io/openvidu/server/config/ServletCustomizer.java
@@ -29,6 +29,7 @@ public class ServletCustomizer implements EmbeddedServletContainerCustomizer {
 	public void customize(ConfigurableEmbeddedServletContainer container) {
 		MimeMappings mappings = new MimeMappings(MimeMappings.DEFAULT);
 		mappings.add("mp4", "video/mp4");
+		mappings.add("webm", "video/webm");
 		container.setMimeMappings(mappings);
 	}