diff --git a/c/src/lib/libbsp/arm/gumstix/fb/fb.c b/c/src/lib/libbsp/arm/gumstix/fb/fb.c
index 13ea6bfcd9..319ca4328b 100644
--- a/c/src/lib/libbsp/arm/gumstix/fb/fb.c
+++ b/c/src/lib/libbsp/arm/gumstix/fb/fb.c
@@ -11,6 +11,7 @@
 #include <errno.h>
 #include <sys/types.h>
 #include <pthread.h>
+#include <string.h>
 
 #include <pxa255.h>
 #include <bsp.h>