diff --git a/include/input.h b/include/input.h
index 6c579a83..0032a37d 100644
--- a/include/input.h
+++ b/include/input.h
@@ -1,3 +1,6 @@
+#ifndef GUARD_INPUT_H
+#define GUARD_INPUT_H  
+
 struct UnkInputStruct1
 {
     /* 0x0 */ u16 unk0;
@@ -55,3 +58,4 @@ void sub_80048D0(void);
 void sub_80048F8(void);
 void sub_8004914(void);
 
+#endif // GUARD_INPUT_H
diff --git a/include/pokemon.h b/include/pokemon.h
index c1da8d52..864b6118 100644
--- a/include/pokemon.h
+++ b/include/pokemon.h
@@ -1,4 +1,4 @@
-#ifdef POKEMON_H
+#ifndef POKEMON_H
 #define POKEMON_H
 
 struct gPokemon
@@ -46,6 +46,6 @@ struct gPokemon
     /* 0x42 */ u16 unk11;
     /* 0x44 */ u16 alphaNum;
     /* 0x46 */ u16 parentNum;
-}
+};
 
-#endif
+#endif // POKEMON_H