diff --git a/src/convert/npf.rs b/src/convert/npf.rs
index fd112b6..6589701 100644
--- a/src/convert/npf.rs
+++ b/src/convert/npf.rs
@@ -78,8 +78,10 @@ impl<'a> TryFrom<&'a Node<'a, RefCell<Ast>>> for objects::Post {
             }
             NodeValue::BlockQuote => {
                 let mut p = Self::try_from(node.children())?.join_content("\n\n");
-                if let BlockValue::Text(ref mut t) = &mut p.content[0] {
-                    t.subtype = Some(BlockTextSubtype::Indented);
+                if p.content.len() > 0 {
+                    if let BlockValue::Text(ref mut t) = &mut p.content[0] {
+                        t.subtype = Some(BlockTextSubtype::Indented);
+                    }
                 }
                 Ok(p)
             }
diff --git a/src/convert/npf/objects_post.rs b/src/convert/npf/objects_post.rs
index d5d0254..efbdaaf 100644
--- a/src/convert/npf/objects_post.rs
+++ b/src/convert/npf/objects_post.rs
@@ -84,9 +84,11 @@ impl Post {
             })
             .flatten()
             .collect::<Vec<_>>();
-        let block = &mut self.content[0];
-        if let BlockValue::Text(ref mut t) = block {
-            t.text = String::from(t.text.strip_suffix(sep).unwrap_or(&t.text));
+        if self.content.len() > 0 {
+            let block = &mut self.content[0];
+            if let BlockValue::Text(ref mut t) = block {
+                t.text = String::from(t.text.strip_suffix(sep).unwrap_or(&t.text));
+            }
         }
         self
     }