1 files changed, 7 insertions, 1 deletions
diff --git a/ruby/src/IceRuby/Types.cpp b/ruby/src/IceRuby/Types.cpp
index 8ca6e29cffa..4834320d1e2 100644
--- a/ruby/src/IceRuby/Types.cpp
+++ b/ruby/src/IceRuby/Types.cpp
@@ -597,7 +597,13 @@ IceRuby::PrimitiveInfo::marshal(VALUE p, const Ice::OutputStreamPtr& os, ObjectM
         }
         assert(TYPE(val) == T_FLOAT);
         double d = static_cast<double>(RFLOAT_VALUE(val));
-        if(isfinite(d) && (d > numeric_limits<float>::max() || d < -numeric_limits<float>::max()))
+        if(
+#if defined(_MSC_VER) && (_MSC_VER <= 1700)
+            _finite(val) &&
+#else
+            isfinite(d) && 
+#endif            
+            (d > numeric_limits<float>::max() || d < -numeric_limits<float>::max()))
         {
             throw RubyException(rb_eTypeError, "value is out of range for a float");
         }