diff --git a/openrtx/include/threads.h b/openrtx/include/threads.h
index ca01029a..ce4f203b 100644
--- a/openrtx/include/threads.h
+++ b/openrtx/include/threads.h
@@ -53,7 +53,7 @@ void create_threads();
 /**
  * Stack size for GPS task, in bytes.
  */
-#define GPS_TASK_STKSIZE 4096
+#define GPS_TASK_STKSIZE 2048
 
 #else /* __arm__ */
 
@@ -74,6 +74,11 @@ void create_threads();
  */
 #define RTX_TASK_STKSIZE 1024
 
+/**
+ * Stack size for GPS task, in bytes.
+ */
+#define GPS_TASK_STKSIZE 1024
+
 #endif /* __arm__ */
 
 #endif /* THREADS_H */