diff --git a/sslscan.c b/sslscan.c
index 50ee6cc..bb9071b 100644
--- a/sslscan.c
+++ b/sslscan.c
@@ -41,6 +41,7 @@
 #include <openssl/pkcs12.h>
 #include <openssl/x509.h>
 #include <openssl/x509v3.h>
+#include <netinet/in.h>

 // Defines...
 #define false 0