diff --git a/djhtml/modes.py b/djhtml/modes.py
index 56b57e9..60437fe 100644
--- a/djhtml/modes.py
+++ b/djhtml/modes.py
@@ -451,8 +451,6 @@ def __init__(
         self.haskell_re = re.compile(r"^ *, ([$\w-]+ *=|[$\w-]+;?)")
         self.variable_re = re.compile(r"^ *([$\w-]+ *=|[$\w-]+;?)")
         self.previous_line_ended_with_comma = False
-        self.extra_blocks = {}
-        self.extra_middle_tags = []
 
     def create_token(
         self, raw_token: str, src: str, line: Line
@@ -638,11 +636,15 @@ def create_token(
                 token, mode = Token.Text(raw_token, mode=DjHTML), self.return_mode
             elif self.tagname == "style":
                 token, mode = Token.Open(raw_token, mode=DjHTML), DjCSS(
-                    return_mode=self.return_mode
+                    return_mode=self.return_mode,
+                    extra_blocks=self.return_mode.extra_blocks,
+                    extra_middle_tags=self.return_mode.extra_middle_tags,
                 )
             elif self.tagname == "script":
                 token, mode = Token.Open(raw_token, mode=DjHTML), DjJS(
-                    return_mode=self.return_mode
+                    return_mode=self.return_mode,
+                    extra_blocks=self.return_mode.extra_blocks,
+                    extra_middle_tags=self.return_mode.extra_middle_tags,
                 )
             else:
                 token, mode = (
diff --git a/tests/generate_tokens.py b/tests/generate_tokens.py
index cf87c04..d5797d3 100755
--- a/tests/generate_tokens.py
+++ b/tests/generate_tokens.py
@@ -14,5 +14,9 @@
         with open(DIR / filename) as html:
             with open(DIR / (filename.stem + ".tokens"), "w") as f:
                 f.write(
-                    DjHTML(html.read(), extra_blocks={"weird_tag": "endweird"}).debug()
+                    DjHTML(
+                        html.read(),
+                        extra_blocks={"weird_tag": "endweird"},
+                        extra_middle_tags=["weird_middle"],
+                    ).debug()
                 )
diff --git a/tests/suite/js.html b/tests/suite/js.html
index c8f0c6a..503c55b 100644
--- a/tests/suite/js.html
+++ b/tests/suite/js.html
@@ -461,3 +461,21 @@
     /function() {/
     return
 </script>
+
+
+<!-- Custom block tag with middle tag inside <script> -->
+<script>
+    f(() => {
+        {% weird_tag %}
+            a();
+        {% weird_middle %}
+            b();
+        {% endweird %}
+    });
+
+    {% if foo %}
+        c();
+    {% else %}
+        d();
+    {% endif %}
+</script>
diff --git a/tests/suite/js.tokens b/tests/suite/js.tokens
index 783a19d..49f5517 100644
--- a/tests/suite/js.tokens
+++ b/tests/suite/js.tokens
@@ -452,4 +452,22 @@ Line([Text('    ', mode=DjJS), Text('// The following is no longer broken \\o/',
 Line([Text('    ', mode=DjJS), Text('/function() {/', mode=DjJS)], level=1)
 Line([Text('    return', mode=DjJS)], level=1)
 Line([Close('</script>', mode=DjHTML)])
+Line([])
+Line([])
+Line([Open('<!--', mode=DjHTML, ignore=True), Text(' Custom block tag with middle tag inside <script> ', mode=Comment, ignore=True), Close('-->', mode=DjHTML, ignore=True)], ignore=True)
+Line([Text('<', mode=DjHTML), Text('script', mode=InsideHTMLTag, absolute=8), Open('>', mode=DjHTML)])
+Line([Text('    f', mode=DjJS), Open('(', mode=DjJS, level=1), Open('(', mode=DjJS, level=1), Close(')', mode=DjJS), Text(' => ', mode=DjJS), Open('{', mode=DjJS, level=1)], level=1)
+Line([Text('        ', mode=DjJS), Open('{% weird_tag %}', mode=DjTXT, level=2)], level=2)
+Line([Text('            a', mode=DjJS), Open('(', mode=DjJS, level=3), Close(')', mode=DjJS), Text(';', mode=DjJS)], level=3)
+Line([Text('        ', mode=DjJS), CloseAndOpen('{% weird_middle %}', mode=DjTXT, level=2)], level=2)
+Line([Text('            b', mode=DjJS), Open('(', mode=DjJS, level=3), Close(')', mode=DjJS), Text(';', mode=DjJS)], level=3)
+Line([Text('        ', mode=DjJS), Close('{% endweird %}', mode=DjTXT)], level=2)
+Line([Text('    ', mode=DjJS), Close('}', mode=DjJS), Close(')', mode=DjJS), Text(';', mode=DjJS)], level=1)
+Line([])
+Line([Text('    ', mode=DjJS), Open('{% if foo %}', mode=DjTXT, level=1)], level=1)
+Line([Text('        c', mode=DjJS), Open('(', mode=DjJS, level=2), Close(')', mode=DjJS), Text(';', mode=DjJS)], level=2)
+Line([Text('    ', mode=DjJS), CloseAndOpen('{% else %}', mode=DjTXT, level=1)], level=1)
+Line([Text('        d', mode=DjJS), Open('(', mode=DjJS, level=2), Close(')', mode=DjJS), Text(';', mode=DjJS)], level=2)
+Line([Text('    ', mode=DjJS), Close('{% endif %}', mode=DjTXT)], level=1)
+Line([Close('</script>', mode=DjHTML)])
 Line([])
\ No newline at end of file