diff --git a/pio-scripts/build_ui.py b/pio-scripts/build_ui.py
new file mode 100644
index 000000000..f3688a5d4
--- /dev/null
+++ b/pio-scripts/build_ui.py
@@ -0,0 +1,3 @@
+Import('env')
+
+env.Execute("npm run build")
\ No newline at end of file
diff --git a/platformio.ini b/platformio.ini
index fa6bf3bb8..c319e4b05 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -155,6 +155,7 @@ extra_scripts =
   post:pio-scripts/output_bins.py
   post:pio-scripts/strip-floats.py
   pre:pio-scripts/user_config_copy.py
+  pre:pio-scripts/build_ui.py
 
 # ------------------------------------------------------------------------------
 # COMMON SETTINGS: