diff --git a/sass-transformer.js b/sass-transformer.js
index cc95d18fb9..f48e7e5497 100644
--- a/sass-transformer.js
+++ b/sass-transformer.js
@@ -88,7 +88,8 @@ function findVariant( name, extensions, includePaths ) {
 		// try to find the file iterating through the extensions, in order.
 		const foundExtention = extensions.find( ( extension ) => {
 			const fname = includePath + '/' + name + extension;
-			return fs.existsSync( fname );
+			const partialfname = includePath + "/_" + name + extension;
+			return fs.existsSync( fname ) || fs.existsSync( partialfname );
 		} );
 
 		if ( foundExtention ) {