diff --git a/SDK/include/NDK/Prerequisites.hpp b/SDK/include/NDK/Prerequisites.hpp
index 5e569734f..bff15d808 100644
--- a/SDK/include/NDK/Prerequisites.hpp
+++ b/SDK/include/NDK/Prerequisites.hpp
@@ -22,8 +22,8 @@
 	SOFTWARE.
 */
 
-#ifndef NDK_PREREQUESITES_HPP
-#define NDK_PREREQUESITES_HPP
+#ifndef NDK_PREREQUISITES_HPP
+#define NDK_PREREQUISITES_HPP
 
 /*!
 * \defgroup NDK (NazaraSDK) Nazara Development Kit
@@ -51,4 +51,4 @@ namespace Ndk
 	using SystemIndex = Nz::UInt32;
 }
 
-#endif // NDK_PREREQUESITES_HPP
+#endif // NDK_PREREQUISITES_HPP
diff --git a/include/Nazara/Prerequisites.hpp b/include/Nazara/Prerequisites.hpp
index 0ac6b0fae..765d14b52 100644
--- a/include/Nazara/Prerequisites.hpp
+++ b/include/Nazara/Prerequisites.hpp
@@ -22,8 +22,8 @@
 	SOFTWARE.
 */
 
-#ifndef NAZARA_PREREQUESITES_HPP
-#define NAZARA_PREREQUESITES_HPP
+#ifndef NAZARA_PREREQUISITES_HPP
+#define NAZARA_PREREQUISITES_HPP
 
 // Try to identify the compiler
 #if defined(__BORLANDC__)
@@ -179,4 +179,4 @@ namespace Nz
 	typedef uint64_t UInt64;
 }
 
-#endif // NAZARA_PREREQUESITES_HPP
+#endif // NAZARA_PREREQUISITES_HPP