diff --git a/src/main/startup/startup_stm32f30x_md_gcc.S b/src/main/startup/startup_stm32f30x_md_gcc.S
index cf9e3925e..2b8e7522d 100644
--- a/src/main/startup/startup_stm32f30x_md_gcc.S
+++ b/src/main/startup/startup_stm32f30x_md_gcc.S
@@ -101,6 +101,8 @@ LoopFillZerobss:
 
 /* Call the clock system intitialization function.*/
   bl  SystemInit   
+/* Call static constructors */
+  bl __libc_init_array
 /* Call the application's entry point.*/
   bl  main
   bx  lr