diff --git a/js/desktopCapturer/getSource.js b/js/desktopCapturer/getSource.js
index 68456943..81022220 100644
--- a/js/desktopCapturer/getSource.js
+++ b/js/desktopCapturer/getSource.js
@@ -59,7 +59,7 @@ function getSource(options, callback) {
         };
     }
 
-    if (isWindowsOS) {
+    if (isWindowsOS && captureWindow) {
         /**
          * Sets the captureWindow to false if Desktop composition
          * is disabled otherwise true
diff --git a/js/desktopCapturer/getSources.js b/js/desktopCapturer/getSources.js
index 71061b3b..d858d176 100644
--- a/js/desktopCapturer/getSources.js
+++ b/js/desktopCapturer/getSources.js
@@ -50,7 +50,7 @@ function getSources(options, callback) {
         };
     }
 
-    if (isWindowsOS) {
+    if (isWindowsOS && captureWindow) {
         /**
          * Sets the captureWindow to false if Desktop composition
          * is disabled otherwise true