diff --git a/Source/Core/Core/Src/Boot/Boot_DOL.cpp b/Source/Core/Core/Src/Boot/Boot_DOL.cpp
index 2982a7348f..a8c7bd61a5 100644
--- a/Source/Core/Core/Src/Boot/Boot_DOL.cpp
+++ b/Source/Core/Core/Src/Boot/Boot_DOL.cpp
@@ -29,7 +29,7 @@ CDolLoader::CDolLoader(const char* _szFilename) : m_bInit(false)
 
 		// swap memory
 		u32* p = (u32*)&m_dolheader;
-		for (int i=0; i<(sizeof(SDolHeader)>>2); i++)	
+		for (size_t i=0; i<(sizeof(SDolHeader)>>2); i++)	
 			p[i] = Common::swap32(p[i]);
 
 		// load all text (code) sections