diff --git a/examples/platform/silabs/main.cpp b/examples/platform/silabs/main.cpp
index fc4f0878195801..d1fda0e99149f3 100644
--- a/examples/platform/silabs/main.cpp
+++ b/examples/platform/silabs/main.cpp
@@ -41,7 +41,11 @@
 /**********************************************************
  * Defines
  *********************************************************/
+#ifdef SIWX_917
 #define MAIN_TASK_STACK_SIZE (1024 * 8)
+#else
+#define MAIN_TASK_STACK_SIZE (1024)
+#endif
 #define MAIN_TASK_PRIORITY (configMAX_PRIORITIES - 1)
 
 using namespace ::chip;