1 files changed, 1 insertions, 0 deletions
diff --git a/md5ify.c b/md5ify.c
index 0ca3e6b9..62f7cc27 100644
--- a/md5ify.c
+++ b/md5ify.c
@@ -11,6 +11,7 @@
  ***********************************************************************/
 
 #include <stdio.h>
+#include <string.h>
 
 #if defined(STDC_HEADERS)
 #include <string.h>