diff --git a/packages/app-cli/tests/html_to_md/escaped_format_characters.html b/packages/app-cli/tests/html_to_md/escaped_format_characters.html
new file mode 100644
index 0000000000..00bdbfd0f7
--- /dev/null
+++ b/packages/app-cli/tests/html_to_md/escaped_format_characters.html
@@ -0,0 +1 @@
+<p>Some **format** characters $need$ to be `escaped`, if the characters were included directly in HTML.</p>
diff --git a/packages/app-cli/tests/html_to_md/escaped_format_characters.md b/packages/app-cli/tests/html_to_md/escaped_format_characters.md
new file mode 100644
index 0000000000..7eddd3a35b
--- /dev/null
+++ b/packages/app-cli/tests/html_to_md/escaped_format_characters.md
@@ -0,0 +1 @@
+Some \*\*format\*\* characters \$need\$ to be \`escaped\`, if the characters were included directly in HTML.
\ No newline at end of file
diff --git a/packages/turndown/src/turndown.js b/packages/turndown/src/turndown.js
index 86918ab664..b9d1aa71aa 100644
--- a/packages/turndown/src/turndown.js
+++ b/packages/turndown/src/turndown.js
@@ -18,7 +18,8 @@ var escapes = [
   [/^>/g, '\\>'],
   // A list of valid \p values can be found here: https://unicode.org/reports/tr44/#GC_Values_Table
   [/(^|\p{Punctuation}|\p{Separator}|\p{Symbol})_(\P{Separator})/ug, '$1\\_$2'],
-  [/^(\d+)\. /g, '$1\\. ']
+  [/^(\d+)\. /g, '$1\\. '],
+  [/\$/g, '\\$$'], // Math
 ]
 
 export default function TurndownService (options) {