diff --git a/src/drivers/win/main.cpp b/src/drivers/win/main.cpp
index 92044938..2592613a 100644
--- a/src/drivers/win/main.cpp
+++ b/src/drivers/win/main.cpp
@@ -1242,7 +1242,7 @@ std::fstream* FCEUD_UTF8_fstream(const char *n, const char *m)
 		FCEUD_MakePathDirs(n);
 	}
 
-	std::ios_base::open_mode mode = std::ios_base::binary;
+	std::ios_base::openmode mode = std::ios_base::binary;
 	if(!strcmp(m,"r"))
 		mode |= std::ios_base::in;
 	else if(!strcmp(m,"w"))
diff --git a/src/utils/memorystream.h b/src/utils/memorystream.h
index 98e8f48a..fcc76620 100644
--- a/src/utils/memorystream.h
+++ b/src/utils/memorystream.h
@@ -1,6 +1,7 @@
 #include <iostream>
 #include <vector>
 #include <sstream>
+#include <stdexcept>
 
 template<typename T>
 class memory_streambuf: public std::streambuf {
@@ -154,7 +155,7 @@ private:
 	void expand(size_t upto)
 	{
 		if(!myBuf && !usevec)
-			throw new std::exception("memory_streambuf is not expandable");
+			throw new std::runtime_error("memory_streambuf is not expandable");
 
 		size_t newcapacity;
 		if(upto == -1)