diff --git a/lib/less/parser.js b/lib/less/parser.js
index e2d529fc..4d2c5151 100644
--- a/lib/less/parser.js
+++ b/lib/less/parser.js
@@ -691,7 +691,7 @@ less.Parser = function Parser(env) {
                     var value, c = input.charCodeAt(i);
                     if ((c > 57 || c < 45) || c === 47) return;
 
-                    if (value = $(/^(-?\d*\.?\d+)(px|%|em|pc|ex|in|deg|s|ms|pt|cm|mm|rad|grad|turn|dpi|rem|vw|vh|vm|ch)?/)) {
+                    if (value = $(/^(-?\d*\.?\d+)(px|%|em|pc|ex|in|deg|s|ms|pt|cm|mm|rad|grad|turn|dpi|rem|vw|vh|vm|vmin|ch)?/)) {
                         return new(tree.Dimension)(value[1], value[2]);
                     }
                 },
diff --git a/test/css/css-3.css b/test/css/css-3.css
index 3ddde0f8..1f4da326 100644
--- a/test/css/css-3.css
+++ b/test/css/css-3.css
@@ -78,6 +78,7 @@ p::before {
   font: 8vw/9vw;
   font: 10vh/12vh;
   font: 12vm/15vm;
+  font: 12vmin/15vmin;
   font: 1.2ch/1.5ch;
 }
 @supports ( box-shadow: 2px 2px 2px black ) or
diff --git a/test/less/css-3.less b/test/less/css-3.less
index 1bedbde6..0d72d184 100644
--- a/test/less/css-3.less
+++ b/test/less/css-3.less
@@ -85,6 +85,7 @@ p::before {
   font: 8vw/9vw;
   font: 10vh/12vh;
   font: 12vm/15vm;
+  font: 12vmin/15vmin;
   font: 1.2ch/1.5ch;
 }