diff --git a/lib/md013.js b/lib/md013.js
index 5f273208..56a6d7d3 100644
--- a/lib/md013.js
+++ b/lib/md013.js
@@ -10,10 +10,11 @@ const longLineRePrefix = "^.{";
 const longLineRePostfixRelaxed = "}.*\\s.*$";
 const longLineRePostfixStrict = "}.+$";
 const labelRe = /^\s*\[.*[^\\]]:/;
-const linkOnlyLineRe = /^[es]*lT?L[ES]*$/;
+const linkOrImageOnlyLineRe = /^[es]*(lT?L|I)[ES]*$/;
 const tokenTypeMap = {
   "em_open": "e",
   "em_close": "E",
+  "image": "I",
   "link_open": "l",
   "link_close": "L",
   "strong_open": "s",
@@ -59,7 +60,7 @@ module.exports = {
           childTokenTypes += tokenTypeMap[child.type] || "x";
         }
       });
-      if (linkOnlyLineRe.test(childTokenTypes)) {
+      if (linkOrImageOnlyLineRe.test(childTokenTypes)) {
         linkOnlyLineNumbers.push(token.lineNumber);
       }
     });
diff --git a/test/long_lines.md b/test/long_lines.md
index 8238e645..17b61371 100644
--- a/test/long_lines.md
+++ b/test/long_lines.md
@@ -1,3 +1,5 @@
+# Long Lines
+
 This is a very very very very very very very very very very very very very very long line {MD013}
 
 This line however, while very long, doesn't have whitespace after the 80th columnwhichallowsforURLsandotherlongthings.
@@ -9,7 +11,7 @@ This line however, while very long, doesn't have whitespace after the 80th colum
     [This long line is comprised entirely of a link](https://example.com "But is inside a code block") {MD013}
 
 ```markdown
-[This long line is comprised entirely of a link](https://example.com "But is inside a code block") {MD013} {MD046:11}
+[This long line is comprised entirely of a link](https://example.com "But is inside a code block") {MD013} {MD046:13}
 ```
 
 This [long line is comprised mostly of a link](https://example.com "This is the long link's title") {MD013}
@@ -43,3 +45,17 @@ _**[This long line is comprised of an emphasized and bolded link](https://exampl
 *[](https://example.com "This long line is comprised of an emphasized link with empty text and a non-empty title")*
 
 **[](https://example.com "This long line is comprised of a bolded link with empty text and a non-empty title")**
+
+![Alternate text for long line image example](https://example.com "Title text for long line image example")
+
+*![Alternate text for long line image example](https://example.com "Title text for long line image example")*
+
+**![Alternate text for long line image example](https://example.com "Title text for long line image example")**
+
+![Reference style for long line image which is itself an example of a long line with content][image]
+
+*![Reference style for long line image which is itself an example of a long line with content][image]*
+
+**![Reference style for long line image which is itself an example of a long line with content][image]**
+
+[image]: https://example.com "Title text for long line image example using reference style for image details"