diff --git a/src/calibre/gui2/markdown_syntax_highlighter.py b/src/calibre/gui2/markdown_syntax_highlighter.py
index c4e6a862ca..ba512410b5 100644
--- a/src/calibre/gui2/markdown_syntax_highlighter.py
+++ b/src/calibre/gui2/markdown_syntax_highlighter.py
@@ -66,7 +66,7 @@ class MarkdownHighlighter(QSyntaxHighlighter):
         "header": {"color":"#2aa198", "font-weight":"bold", "font-style":"normal"},
         "unorderedlist": {"color":"red", "font-weight":"normal", "font-style":"normal"},
         "orderedlist": {"color":"red", "font-weight":"normal", "font-style":"normal"},
-        "blockquote": {"color":"red", "font-weight":"normal", "font-style":"normal"},
+        "blockquote": {"color":"red", "font-weight":"bold", "font-style":"normal"},
         "codespan": {"color":"#ff5800", "font-weight":"normal", "font-style":"normal"},
         "codeblock": {"color":"#ff5800", "font-weight":"normal", "font-style":"normal"},
         "line": {"color":"#2aa198", "font-weight":"normal", "font-style":"normal"},
@@ -82,7 +82,7 @@ class MarkdownHighlighter(QSyntaxHighlighter):
         "header": {"color":"#2aa198", "font-weight":"bold", "font-style":"normal"},
         "unorderedlist": {"color":"yellow", "font-weight":"normal", "font-style":"normal"},
         "orderedlist": {"color":"yellow", "font-weight":"normal", "font-style":"normal"},
-        "blockquote": {"color":"yellow", "font-weight":"normal", "font-style":"normal"},
+        "blockquote": {"color":"yellow", "font-weight":"bold", "font-style":"normal"},
         "codespan": {"color":"#90ee90", "font-weight":"normal", "font-style":"normal"},
         "codeblock": {"color":"#ff9900", "font-weight":"normal", "font-style":"normal"},
         "line": {"color":"#2aa198", "font-weight":"normal", "font-style":"normal"},