diff --git a/platformio/builder/scripts/timsp430.py b/platformio/builder/scripts/timsp430.py
index 7fc10303..b4e2498e 100644
--- a/platformio/builder/scripts/timsp430.py
+++ b/platformio/builder/scripts/timsp430.py
@@ -68,7 +68,7 @@ env.Replace(
         "$UPLOAD_PROTOCOL" if system() != "Windows" else "tilib",
         "--force-reset"
     ],
-    UPLOADCMD='$UPLOADER $UPLOADERFLAGS "prog $SOURCES"',
+    UPLOADCMD='"$UPLOADER" $UPLOADERFLAGS "prog $SOURCES"',
 
     PROGNAME="firmware",
     PROGSUFFIX=".elf"