1 files changed, 9 insertions, 9 deletions
diff --git a/lib/compilers/win32.js b/lib/compilers/win32.js
index 581a86af5..18cc66142 100644
--- a/lib/compilers/win32.js
+++ b/lib/compilers/win32.js
@@ -43,19 +43,19 @@ class Win32Compiler extends BaseCompiler {
         return false;
     }
 
+    setEnvVar(options, name, newVar) {
+        if (newVar) {
+            const oldVar = options.env[name] ? options.env[name] : "";
+            options.env[name] = newVar + oldVar;
+        }
+    }
+
     exec(compiler, args, options_) {
         let options = Object.assign({}, options_);
         options.env = Object.assign({}, options.env);
 
-        const setEnvVar = function (name, newVar) {
-            if (newVar) {
-                const oldVar = options.env[name] ? options.env[name] : "";
-                options.env[name] = newVar + oldVar;
-            }
-        };
-
-        setEnvVar('INCLUDE', this.compiler.includePath);
-        setEnvVar('LIB', this.compiler.libPath);
+        this.setEnvVar(options, 'INCLUDE', this.compiler.includePath);
+        this.setEnvVar(options, 'LIB', this.compiler.libPath);
 
         return super.exec(compiler, args, options);
     }