diff --git a/sources/Cartridge/Cartridge.cpp b/sources/Cartridge/Cartridge.cpp
index af53541..cf224d4 100644
--- a/sources/Cartridge/Cartridge.cpp
+++ b/sources/Cartridge/Cartridge.cpp
@@ -160,6 +160,8 @@ namespace ComSquare::Cartridge
 
 	bool Cartridge::_isSPCFile()
 	{
+		if (this->_size < 0x25)
+			return false;
 		std::string str = std::string(reinterpret_cast<char *>(this->_data), 0x21);
 
 		if (str != Cartridge::_magicSPC)