diff --git a/arduino-ide-extension/src/browser/style/firmware-uploader-dialog.css b/arduino-ide-extension/src/browser/style/firmware-uploader-dialog.css
index 3143d02a8..e49f5e5aa 100644
--- a/arduino-ide-extension/src/browser/style/firmware-uploader-dialog.css
+++ b/arduino-ide-extension/src/browser/style/firmware-uploader-dialog.css
@@ -7,7 +7,7 @@
 }
 .firmware-uploader-dialog .arduino-select__control {
   height: 31px;
-  background: var(--theia-menubar-selectionBackground) !important;
+  background: var(--theia-input-background) !important;
 }
 
 .firmware-uploader-dialog .dialogRow > button{
@@ -28,4 +28,4 @@
 
 .firmware-uploader-dialog  .status-icon {
   margin-right: 10px;
-}
\ No newline at end of file
+}