diff --git a/src/html.rs b/src/html.rs
index 8a3cc5c10..1457e3f03 100644
--- a/src/html.rs
+++ b/src/html.rs
@@ -250,7 +250,7 @@ where
                     self.write("\n<blockquote>\n")
                 }
             }
-            Tag::CodeBlock(info) => {
+            Tag::CodeBlock(_, info) => {
                 if !self.end_newline {
                     self.write_newline()?;
                 }
@@ -375,7 +375,7 @@ where
             Tag::BlockQuote => {
                 self.write("</blockquote>\n")?;
             }
-            Tag::CodeBlock(_) => {
+            Tag::CodeBlock(_, _) => {
                 self.write("</code></pre>\n")?;
             }
             Tag::List(Some(_)) => {
diff --git a/src/parse.rs b/src/parse.rs
index e4cbca044..f0a00f20c 100644
--- a/src/parse.rs
+++ b/src/parse.rs
@@ -48,9 +48,12 @@ pub enum Tag<'a> {
     Heading(u32),
 
     BlockQuote,
-    /// A code block. The value contained in the tag describes the language of the code,
-    /// which may be empty.
-    CodeBlock(CowStr<'a>),
+    /// A code block.
+    ///
+    /// The boolean is `true` is this is an indented code block (not starting with "\`\`\`").
+    ///
+    /// The value contained in the tag describes the language of the code, which may be empty.
+    CodeBlock(bool, CowStr<'a>),
 
     /// A list. If the list is ordered the field indicates the number of the first item.
     /// Contains only list items.
@@ -2675,8 +2678,8 @@ fn item_to_tag<'a>(item: &Item, allocs: &Allocations<'a>) -> Tag<'a> {
             Tag::Image(*link_type, url.clone(), title.clone())
         }
         ItemBody::Heading(level) => Tag::Heading(level),
-        ItemBody::FencedCodeBlock(cow_ix) => Tag::CodeBlock(allocs[cow_ix].clone()),
-        ItemBody::IndentCodeBlock => Tag::CodeBlock("".into()),
+        ItemBody::FencedCodeBlock(cow_ix) => Tag::CodeBlock(false, allocs[cow_ix].clone()),
+        ItemBody::IndentCodeBlock => Tag::CodeBlock(true, "".into()),
         ItemBody::BlockQuote => Tag::BlockQuote,
         ItemBody::List(_, c, listitem_start) => {
             if c == b'.' || c == b')' {
@@ -2722,8 +2725,8 @@ fn item_to_event<'a>(item: Item, text: &'a str, allocs: &Allocations<'a>) -> Eve
             Tag::Image(*link_type, url.clone(), title.clone())
         }
         ItemBody::Heading(level) => Tag::Heading(level),
-        ItemBody::FencedCodeBlock(cow_ix) => Tag::CodeBlock(allocs[cow_ix].clone()),
-        ItemBody::IndentCodeBlock => Tag::CodeBlock("".into()),
+        ItemBody::FencedCodeBlock(cow_ix) => Tag::CodeBlock(false, allocs[cow_ix].clone()),
+        ItemBody::IndentCodeBlock => Tag::CodeBlock(true, "".into()),
         ItemBody::BlockQuote => Tag::BlockQuote,
         ItemBody::List(_, c, listitem_start) => {
             if c == b'.' || c == b')' {