diff --git a/include/dynamic-graph/contiifstream.h b/include/dynamic-graph/contiifstream.h
index 3ab33f4d601b7c21931b7b0128802699df7c9ff3..da118f1835c70b2999ffa25e99ba0e383d169af3 100644
--- a/include/dynamic-graph/contiifstream.h
+++ b/include/dynamic-graph/contiifstream.h
@@ -44,7 +44,7 @@
 /* --------------------------------------------------------------------- */
 
 #if defined (WIN32)
-#  if defined (sotContiifstream_EXPORTS)
+#  if defined (contiifstream_EXPORTS)
 #    define DYNAMICGRAPHCONTIIFSTREAM_EXPORT __declspec(dllexport)
 #  else
 #    define DYNAMICGRAPHCONTIIFSTREAM_EXPORT __declspec(dllimport)