diff --git a/src/conio/cterm.c b/src/conio/cterm.c
index 5f6f1ea657a220b86fcd6b20faad48dedd7dbb61..2721d049dbe814def801a35c2fc96d9eac64aba6 100644
--- a/src/conio/cterm.c
+++ b/src/conio/cterm.c
@@ -1,4 +1,5 @@
 #include <stdlib.h>
+#include <string.h>
 
 #include <genwrap.h>
 #include <ciolib.h>