diff --git a/src/lcddisplay/lcddisplay.cpp b/src/lcddisplay/lcddisplay.cpp
index 78343110c..d26151b1f 100644
--- a/src/lcddisplay/lcddisplay.cpp
+++ b/src/lcddisplay/lcddisplay.cpp
@@ -36,6 +36,7 @@
 #include <fcntl.h>
 #include <cstdio>
 #include <cstdlib>
+#include <cstring>
 #include <unistd.h>
 #include <sys/ioctl.h>
 #include <sys/types.h>