diff --git a/.gitmodules b/.gitmodules
index 6a98ceb1c26ec4..b5d7c5dc253ca2 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -322,6 +322,5 @@
 [submodule "third_party/st/STM32CubeWB"]
 	path = third_party/st/STM32CubeWB
 	url = https://github.com/STMicroelectronics/STM32CubeWB.git
-        branch = v1.17.0
-        platform = stm32
-
+	branch = v1.17.0
+	platforms = stm32