diff --git a/src/OpenColorIO/ParseUtils.cpp b/src/OpenColorIO/ParseUtils.cpp
index 5e5708c19..7f712b1a5 100644
--- a/src/OpenColorIO/ParseUtils.cpp
+++ b/src/OpenColorIO/ParseUtils.cpp
@@ -695,7 +695,7 @@ bool StrEqualsCaseIgnore(const std::string & a, const std::string & b)
 // The name can be surrounded by quotes to enable name including theses symbols.
 static int findEndOfName(const std::string & s, size_t start, char sep)
 {
-    int currentPos = start;
+    int currentPos = static_cast<int>(start);
     int nameEndPos = currentPos;
     bool isEndFound = false;
     
@@ -704,8 +704,8 @@ static int findEndOfName(const std::string & s, size_t start, char sep)
 
     while( !isEndFound )
     {
-        nameEndPos = s.find_first_of(symbols, currentPos);
-        if(nameEndPos == (int)std::string::npos) 
+        nameEndPos = s.find_first_of( symbols, static_cast<size_t>(currentPos) );
+        if(nameEndPos == static_cast<int>(std::string::npos) 
         {
             // We reached the end of the list
             nameEndPos = s.size();