diff --git a/rinja_derive/src/config.rs b/rinja_derive/src/config.rs
index 9c45b6e3..c1178e2b 100644
--- a/rinja_derive/src/config.rs
+++ b/rinja_derive/src/config.rs
@@ -369,7 +369,7 @@ static DEFAULT_SYNTAX_NAME: &str = "default";
 static DEFAULT_ESCAPERS: &[(&[&str], &str)] = &[
     (
         &[
-            "html", "htm", "j2", "jinja", "jinja2", "rinja", "svg", "xml",
+            "askama", "html", "htm", "j2", "jinja", "jinja2", "rinja", "svg", "xml",
         ],
         "Html",
     ),
@@ -649,7 +649,7 @@ mod tests {
             (str_set(&["js"]), "::my_filters::Js".into()),
             (
                 str_set(&[
-                    "html", "htm", "j2", "jinja", "jinja2", "rinja", "svg", "xml"
+                    "askama", "html", "htm", "j2", "jinja", "jinja2", "rinja", "svg", "xml"
                 ]),
                 "rinja::filters::Html".into()
             ),
diff --git a/rinja_derive/src/input.rs b/rinja_derive/src/input.rs
index eb743dca..13b7a919 100644
--- a/rinja_derive/src/input.rs
+++ b/rinja_derive/src/input.rs
@@ -865,7 +865,7 @@ const _: () = {
 };
 
 #[cfg(feature = "code-in-doc")]
-const JINJA_EXTENSIONS: &[&str] = &["j2", "jinja", "jinja2", "rinja"];
+const JINJA_EXTENSIONS: &[&str] = &["askama", "j2", "jinja", "jinja2", "rinja"];
 
 #[test]
 fn get_source() {
diff --git a/testing/tests/ui/no-such-escaper.stderr b/testing/tests/ui/no-such-escaper.stderr
index a212f63c..96c9a236 100644
--- a/testing/tests/ui/no-such-escaper.stderr
+++ b/testing/tests/ui/no-such-escaper.stderr
@@ -1,4 +1,4 @@
-error: invalid escaper 'latex' for `escape` filter. The available extensions are: "", "htm", "html", "j2", "jinja", "jinja2", "md", "none", "rinja", "svg", "txt", "xml", "yml"
+error: invalid escaper 'latex' for `escape` filter. The available extensions are: "", "askama", "htm", "html", "j2", "jinja", "jinja2", "md", "none", "rinja", "svg", "txt", "xml", "yml"
  --> LocalEscaper.html:1:38
        "text|escape(\"latex\")}}`."
  --> tests/ui/no-such-escaper.rs:6:14
@@ -6,13 +6,13 @@ error: invalid escaper 'latex' for `escape` filter. The available extensions are
 6 |     source = r#"In LaTeX you write `{{text}}` like `{{text|escape("latex")}}`."#,
   |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: no escaper defined for extension 'tex'. You can define an escaper in the config file (named `rinja.toml` by default). The available extensions are: "", "htm", "html", "j2", "jinja", "jinja2", "md", "none", "rinja", "svg", "txt", "xml", "yml"
+error: no escaper defined for extension 'tex'. You can define an escaper in the config file (named `rinja.toml` by default). The available extensions are: "", "askama", "htm", "html", "j2", "jinja", "jinja2", "md", "none", "rinja", "svg", "txt", "xml", "yml"
   --> tests/ui/no-such-escaper.rs:14:11
    |
 14 |     ext = "tex",
    |           ^^^^^
 
-error: no escaper defined for extension 'tex'. You can define an escaper in the config file (named `rinja.toml` by default). The available extensions are: "", "htm", "html", "j2", "jinja", "jinja2", "md", "none", "rinja", "svg", "txt", "xml", "yml"
+error: no escaper defined for extension 'tex'. You can define an escaper in the config file (named `rinja.toml` by default). The available extensions are: "", "askama", "htm", "html", "j2", "jinja", "jinja2", "md", "none", "rinja", "svg", "txt", "xml", "yml"
   --> tests/ui/no-such-escaper.rs:22:19
    |
 22 | #[template(path = "latex-file.tex")]