diff --git a/index.js b/index.js
index 799d29e..efdc41a 100644
--- a/index.js
+++ b/index.js
@@ -52,7 +52,7 @@ function findUnusedVars(strDir, opts) {
 
     // Store unused vars from all files and loop through each variable
     const unusedVars = variables.filter(variable => {
-        const re = new RegExp(regExpQuote(variable), 'g');
+        const re = new RegExp(`(${regExpQuote(variable)})\\b(?!-)`, 'g');
 
         return sassFilesString.match(re).length === 1;
     });