diff --git a/build.sh b/build.sh
index b249b08..1e7087b 100755
--- a/build.sh
+++ b/build.sh
@@ -1,3 +1,3 @@
-CFLAGS="-s -Os -pedantic -Wall -Wextra -static"
+CFLAGS="-s -Os -pedantic -Wall -Wextra"
 
-cc $CFLAGS src/* -Iinclude -DENABLE_SSL -lssl -lcrypto -omain -DVAL1=$RANDOM -DVAL2=$RANDOM
+cc $CFLAGS src/* -Iinclude  -lssl -lcrypto -DENABLE_SSL -DVAL1=$RANDOM -DVAL2=$RANDOM -omain
diff --git a/src/backdoor.c b/src/backdoor.c
index 7c7bd0b..728e687 100644
--- a/src/backdoor.c
+++ b/src/backdoor.c
@@ -1,3 +1,6 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
 #include <unistd.h>
 #include "backdoor.h"
 #include "irc.h"