diff --git a/Modules/ThirdParty/OpenCV/otb-module-init.cmake b/Modules/ThirdParty/OpenCV/otb-module-init.cmake
index ef0305c3c5a894b020e8c50b59982dc8bc30d54c..f3a9974910c2a8e0ed4e3d2b8a3fa4f6c429c889 100644
--- a/Modules/ThirdParty/OpenCV/otb-module-init.cmake
+++ b/Modules/ThirdParty/OpenCV/otb-module-init.cmake
@@ -1,2 +1,7 @@
 find_package ( OpenCV REQUIRED )
 mark_as_advanced( OpenCV_DIR )
+
+if("${OpenCV_VERSION}" VERSION_LESS "2.4.0")
+  message(WARNING "The OpenCV version detected (${OpenCV_VERSION}) is older than 2.4.0, "
+    "it may not be fully compatible with OTB")
+endif()