diff --git a/libs/stream/stringstream.h b/libs/stream/stringstream.h
index 22a6a55b..46757fe3 100644
--- a/libs/stream/stringstream.h
+++ b/libs/stream/stringstream.h
@@ -104,7 +104,7 @@ public:
 
 	StringOutputStream(){
 	}
-	StringOutputStream( std::size_t capacity ) : m_string( capacity ){
+	explicit StringOutputStream( std::size_t capacity ) : m_string( capacity ){
 	}
 	std::size_t write( const char* buffer, std::size_t length ){
 		m_string.push_range( buffer, buffer + length );
diff --git a/radiant/qe3.cpp b/radiant/qe3.cpp
index 7c129769..27f6a0af 100644
--- a/radiant/qe3.cpp
+++ b/radiant/qe3.cpp
@@ -255,7 +255,7 @@ void RunBSP( size_t buildIdx ){
 #if defined ( POSIX )
 				batchFile << "#!/bin/sh \n\n";
 #endif
-				BatchCommandListener listener( batchFile, g_WatchBSP0_DumpLog? junkpath : 0 );
+				BatchCommandListener listener( batchFile, g_WatchBSP0_DumpLog? junkpath.c_str() : nullptr );
 				for( const auto& command : commands )
 					listener.execute( command.c_str() );
 				written = true;