diff --git a/os/ports/GCC/ARMCMx/STM32F4xx/ld/STM32F407xG_CCM.ld b/os/ports/GCC/ARMCMx/STM32F4xx/ld/STM32F407xG_CCM.ld
index 06541e185..30019b7a9 100644
--- a/os/ports/GCC/ARMCMx/STM32F4xx/ld/STM32F407xG_CCM.ld
+++ b/os/ports/GCC/ARMCMx/STM32F4xx/ld/STM32F407xG_CCM.ld
@@ -125,6 +125,10 @@ SECTIONS
     {
         PROVIDE(_cmm_start = .);
         . = ALIGN(4);
+        *(.ccm)
+        . = ALIGN(4);
+        *(.ccm.*)
+        . = ALIGN(4);
         *(.bss.mainthread.*)
         . = ALIGN(4);
         *(.bss._idle_thread_wa)