diff --git a/lib/nimbase.h b/lib/nimbase.h
index 1100e084b..b16b27b2c 100644
--- a/lib/nimbase.h
+++ b/lib/nimbase.h
@@ -314,6 +314,9 @@ static unsigned long nimNaN[2]={0xffffffff, 0x7fffffff};
 #    define INF INFINITY
 #  elif defined(HUGE_VAL)
 #    define INF  HUGE_VAL
+#  elif defined(_MSC_VER)
+#    include <float.h>
+#    define INF (DBL_MAX+DBL_MAX)
 #  else
 #    define INF (1.0 / 0.0)
 #  endif