diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6e9f5ab..ab241a4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.6)
+cmake_minimum_required(VERSION 3.5)
 
 project (XPwn)
 
diff --git a/ipsw-patch/img3.c b/ipsw-patch/img3.c
index bccfc1c..a7c4fc1 100644
--- a/ipsw-patch/img3.c
+++ b/ipsw-patch/img3.c
@@ -177,7 +177,7 @@ void flipAppleImg3RootExtra(AppleImg3RootExtra* extra) {
 	FLIPENDIANLE(extra->name);
 }
 
-flipAppleImg3KBAGHeader(AppleImg3KBAGHeader* data) {
+void flipAppleImg3KBAGHeader(AppleImg3KBAGHeader* data) {
 	FLIPENDIANLE(data->key_modifier);
 	FLIPENDIANLE(data->key_bits);
 }