diff --git a/src/html5/parser.rs b/src/html5/parser.rs
index ddc835f2f..511e3f198 100644
--- a/src/html5/parser.rs
+++ b/src/html5/parser.rs
@@ -2116,6 +2116,10 @@ impl<'chars> Html5Parser<'chars> {
     /// Handle insertion mode "in_body"
     fn handle_in_body(&mut self) {
         match &self.current_token.clone() {
+            Token::Text(value) if self.current_token.is_mixed_null() => {
+                let tokens = self.split_mixed_token_null(value);
+                self.tokenizer.insert_tokens_at_queue_start(tokens);
+            }
             Token::Text(..) if self.current_token.is_null() => {
                 self.parse_error("null character not allowed in in body insertion mode");
                 // ignore token
@@ -4021,6 +4025,33 @@ impl<'chars> Html5Parser<'chars> {
 
         tokens
     }
+
+    /// This will split tokens into \0 groups and non-\0 groups.
+    /// @todo: refactor this into split_mixed_token as well, but add a collection of groups callables
+    fn split_mixed_token_null(&self, text: &str) -> Vec<Token> {
+        let mut tokens = vec![];
+        let mut last_group = 'x';
+
+        let mut found = String::new();
+
+        for ch in text.chars() {
+            let group = if ch == '\0' { '0' } else { 'r' };
+
+            if last_group != group && !found.is_empty() {
+                tokens.push(Token::Text(found.clone()));
+                found.clear();
+            }
+
+            found.push(ch);
+            last_group = group;
+        }
+
+        if !found.is_empty() {
+            tokens.push(Token::Text(found.clone()));
+        }
+
+        tokens
+    }
 }
 
 #[cfg(test)]
diff --git a/src/html5/tokenizer/token.rs b/src/html5/tokenizer/token.rs
index 377551d75..f286ceb1b 100644
--- a/src/html5/tokenizer/token.rs
+++ b/src/html5/tokenizer/token.rs
@@ -31,6 +31,7 @@ pub enum Token {
 }
 
 impl Token {
+    /// Returns true when there is a mixture of white and non-white and \0 characters in the token
     pub(crate) fn is_mixed(&self) -> bool {
         // Check if there are white characters AND non-white characters in the token
         if let Token::Text(value) = self {
@@ -53,6 +54,16 @@ impl Token {
             false
         }
     }
+
+    /// Returns true when there is a mixture of \0 and non-\0 characters in the token
+    pub(crate) fn is_mixed_null(&self) -> bool {
+        // Check if there are white characters AND non-white characters in the token
+        if let Token::Text(value) = self {
+            value.chars().any(|ch| ch == '\0') && value.chars().any(|ch| ch != '\0')
+        } else {
+            false
+        }
+    }
 }
 
 impl Token {