diff --git a/devices/LPC54102/utilities/fsl_sbrk.c b/devices/LPC54102/utilities/fsl_sbrk.c
index 9899c90..fcc4c0f 100644
--- a/devices/LPC54102/utilities/fsl_sbrk.c
+++ b/devices/LPC54102/utilities/fsl_sbrk.c
@@ -7,6 +7,7 @@
  */
 #if defined(__GNUC__)
 #include <stdio.h>
+#include <sys/types.h>
 #include <errno.h>
 #endif