diff --git a/Source/Core/Common/Src/ChunkFile.cpp b/Source/Core/Common/Src/ChunkFile.cpp
index 48f4498fef..849f692631 100644
--- a/Source/Core/Common/Src/ChunkFile.cpp
+++ b/Source/Core/Common/Src/ChunkFile.cpp
@@ -89,7 +89,7 @@ bool ChunkFile::Do(void *ptr, int size)
 //let's get into the business
 bool ChunkFile::Descend(const char *cid)
 {
-	int id = *((int*)cid);
+	unsigned int id = *reinterpret_cast<const unsigned int*>(cid);
 	if (mode == MODE_READ)
 	{
 		bool found = false;
@@ -100,7 +100,7 @@ bool ChunkFile::Descend(const char *cid)
 		stack[stack_ptr].parentStartLocation = startPos;
 		stack[stack_ptr].parentEOF = eof;
 
-		int firstID = 0;
+		unsigned int firstID = 0;
 		//let's search through children..
 		while (ftell(f) < eof)
 		{
diff --git a/Source/Core/Common/Src/StringUtil.cpp b/Source/Core/Common/Src/StringUtil.cpp
index 03bdff88d5..590b20fc4a 100644
--- a/Source/Core/Common/Src/StringUtil.cpp
+++ b/Source/Core/Common/Src/StringUtil.cpp
@@ -334,14 +334,14 @@ bool SplitPath(const std::string& full_path, std::string* _pPath, std::string* _
 #else
 bool SplitPath(const std::string& full_path, std::string* _pPath, std::string* _pFilename, std::string* _pExtension)
 {
-	int last_slash = full_path.rfind('/');
+	size_t last_slash = full_path.rfind('/');
 
 	if (last_slash == std::string::npos)
 	{
 		return(false);
 	}
 
-	int last_dot = full_path.rfind('.');
+	size_t last_dot = full_path.rfind('.');
 
 	if ((last_dot == std::string::npos) || (last_dot < last_slash))
 	{
diff --git a/Source/Core/Common/Src/Thread.cpp b/Source/Core/Common/Src/Thread.cpp
index 1c46b5bba3..61c2f13c5e 100644
--- a/Source/Core/Common/Src/Thread.cpp
+++ b/Source/Core/Common/Src/Thread.cpp
@@ -256,7 +256,7 @@ void Thread::SetAffinity(int mask)
 	cpu_set_t cpu_set;
 	CPU_ZERO(&cpu_set);
 
-	for (int i = 0; i < sizeof(mask) * 8; i++)
+	for (unsigned int i = 0; i < sizeof(mask) * 8; i++)
 	{
 		if ((mask >> i) & 1){CPU_SET(i, &cpu_set);}
 	}
diff --git a/Source/Core/Core/Src/HLE/HLE.cpp b/Source/Core/Core/Src/HLE/HLE.cpp
index be04833c7a..72d7cb5da3 100644
--- a/Source/Core/Core/Src/HLE/HLE.cpp
+++ b/Source/Core/Core/Src/HLE/HLE.cpp
@@ -125,15 +125,15 @@ void PatchFunctions()
 
 void Execute(u32 _CurrentPC, u32 _Instruction)
 {
-	int FunctionIndex = _Instruction & 0xFFFFF;
+	unsigned int FunctionIndex = _Instruction & 0xFFFFF;
 	if ((FunctionIndex > 0) && (FunctionIndex < (sizeof(OSPatches) / sizeof(SPatch))))
 	{
 		OSPatches[FunctionIndex].PatchFunction();
-	}			
+	}
 	else
 	{
 		PanicAlert("HLE system tried to call an undefined HLE function %i.", FunctionIndex);
-	}			
+	}
 
 //	_dbg_assert_msg_(HLE,NPC == LR, "Broken HLE function (doesn't set NPC)", OSPatches[pos].m_szPatchName);
 }
diff --git a/Source/Core/DolphinWX/src/FileSearch.cpp b/Source/Core/DolphinWX/src/FileSearch.cpp
index d4441404d6..f3bf7db712 100644
--- a/Source/Core/DolphinWX/src/FileSearch.cpp
+++ b/Source/Core/DolphinWX/src/FileSearch.cpp
@@ -67,7 +67,7 @@ void CFileSearch::FindFiles(const std::string& _searchString, const std::string&
 	}
 
 #else
-	int dot_pos = _searchString.rfind(".");
+	size_t dot_pos = _searchString.rfind(".");
 
 	if (dot_pos == std::string::npos)
 	{
diff --git a/Source/Core/DolphinWX/src/GameListCtrl.cpp b/Source/Core/DolphinWX/src/GameListCtrl.cpp
index 920fadb721..dcc8090292 100644
--- a/Source/Core/DolphinWX/src/GameListCtrl.cpp
+++ b/Source/Core/DolphinWX/src/GameListCtrl.cpp
@@ -234,7 +234,7 @@ CGameListCtrl::InsertItemInReportView(size_t _Index)
 		item.SetBackgroundColour(color);
 		DiscIO::IVolume::ECountry Country = rISOFile.GetCountry();
 
-		if (Country < m_FlagImageIndex.size())
+		if (size_t(Country) < m_FlagImageIndex.size())
 		{
 			item.SetImage(m_FlagImageIndex[rISOFile.GetCountry()]);
 		}