diff --git a/src/common/consts.rs b/src/common/consts.rs
index 587e255..369a1ec 100644
--- a/src/common/consts.rs
+++ b/src/common/consts.rs
@@ -127,11 +127,33 @@ pub enum Shield {
 // pub const std::vector<std::string> shield_items{"None", "Infinite", "Hold"};
 
 // Defensive States
-pub const RANDOM_DEFENSIVE: i32 = 1;
-pub const DEFENSIVE_SPOTDODGE: i32 = 2;
-pub const DEFENSIVE_ROLL: i32 = 3;
-pub const DEFENSIVE_JAB: i32 = 4;
-pub const DEFENSIVE_SHIELD: i32 = 5;
+#[repr(i32)]
+#[derive(Debug, Clone, Copy, PartialEq)]
+pub enum Defensive {
+    None = 0,
+    Random = 1,
+    Spotdodge = 2,
+    Roll = 3,
+    Jab = 4,
+    Shield = 5,
+}
+
+impl From<i32> for Defensive {
+    fn from(x: i32) -> Self {
+        use Defensive::*;
+
+        match x {
+            0 => None,
+            1 => Random,
+            2 => Spotdodge,
+            3 => Roll,
+            4 => Jab,
+            5 => Shield,
+            _ => panic!("Invalid mash state {}", x)
+        }
+    }
+}
+
 // pub const std::vector<std::string> defensive_items{"None", "Random", "Spotdodge", "Roll", "Jab", "Flash Shield"};
 
 #[repr(C)]
@@ -143,5 +165,5 @@ pub struct TrainingModpackMenu {
     pub tech_state: i32,
     pub mash_state: Mash,
     pub shield_state: Shield,
-    pub defensive_state: i32,
+    pub defensive_state: Defensive,
 }
diff --git a/src/common/mod.rs b/src/common/mod.rs
index bff8dff..aaecd77 100644
--- a/src/common/mod.rs
+++ b/src/common/mod.rs
@@ -13,7 +13,7 @@ pub static mut MENU_STRUCT: consts::TrainingModpackMenu = consts::TrainingModpac
     tech_state: RANDOM_TECH,
     mash_state: Mash::None,
     shield_state: Shield::None,
-    defensive_state: RANDOM_DEFENSIVE,
+    defensive_state: Defensive::Random,
 };
 
 pub static MENU: &'static mut consts::TrainingModpackMenu = unsafe { &mut MENU_STRUCT };
@@ -77,7 +77,7 @@ pub unsafe fn perform_defensive_option(
     flag: &mut i32,
 ) {
     match MENU.defensive_state {
-        RANDOM_DEFENSIVE => {
+        Defensive::Random => {
             let random_cmds = vec![
                 *FIGHTER_PAD_CMD_CAT1_FLAG_ESCAPE,
                 *FIGHTER_PAD_CMD_CAT1_FLAG_ESCAPE_F,
@@ -89,15 +89,15 @@ pub unsafe fn perform_defensive_option(
                 app::sv_math::rand(hash40("fighter"), random_cmds.len() as i32) as usize;
             *flag |= random_cmds[random_cmd_index];
         }
-        DEFENSIVE_ROLL => {
+        Defensive::Roll => {
             if app::sv_math::rand(hash40("fighter"), 2) == 0 {
                 *flag |= *FIGHTER_PAD_CMD_CAT1_FLAG_ESCAPE_F;
             } else {
                 *flag |= *FIGHTER_PAD_CMD_CAT1_FLAG_ESCAPE_B;
             }
         }
-        DEFENSIVE_SPOTDODGE => *flag |= *FIGHTER_PAD_CMD_CAT1_FLAG_ESCAPE,
-        DEFENSIVE_JAB => *flag |= *FIGHTER_PAD_CMD_CAT1_FLAG_ATTACK_N,
+        Defensive::Spotdodge => *flag |= *FIGHTER_PAD_CMD_CAT1_FLAG_ESCAPE,
+        Defensive::Jab => *flag |= *FIGHTER_PAD_CMD_CAT1_FLAG_ATTACK_N,
         _ => (),
     }
 }
diff --git a/src/training/ledge.rs b/src/training/ledge.rs
index 9e4ec0b..6093067 100644
--- a/src/training/ledge.rs
+++ b/src/training/ledge.rs
@@ -88,7 +88,7 @@ pub unsafe fn check_button_on(
         if is_training_mode() && is_operation_cpu(module_accessor) {
             let prev_status = StatusModule::prev_status_kind(module_accessor, 0) as i32;
             let status = StatusModule::status_kind(module_accessor) as i32;
-            if MENU.defensive_state == DEFENSIVE_SHIELD
+            if MENU.defensive_state == Defensive::Shield
                 && should_perform_defensive_option(module_accessor, prev_status, status)
             {
                 return Some(true);
diff --git a/src/training/tech.rs b/src/training/tech.rs
index d972bdd..1bb402e 100644
--- a/src/training/tech.rs
+++ b/src/training/tech.rs
@@ -125,7 +125,7 @@ pub unsafe fn check_button_on(
         if is_training_mode() && is_operation_cpu(module_accessor) {
             let prev_status = StatusModule::prev_status_kind(module_accessor, 0) as i32;
             let status = StatusModule::status_kind(module_accessor) as i32;
-            if MENU.defensive_state == DEFENSIVE_SHIELD
+            if MENU.defensive_state == Defensive::Shield
                 && should_perform_defensive_option(module_accessor, prev_status, status)
             {
                 return Some(true);