diff --git a/src/init.cc b/src/init.cc
index fdd58c6..5b1d78a 100755
--- a/src/init.cc
+++ b/src/init.cc
@@ -18,6 +18,10 @@
 #include "LDAWrap.h"
 #include "Histogram.h"
 
+#define STR_HELPER(x) #x
+#define STR(x) STR_HELPER(x)
+#pragma message ( "Building with OpenCV" STR(CV_MAJOR_VERSION) "." STR(CV_MINOR_VERSION) )
+
 extern "C" void init(Local<Object> target) {
   Nan::HandleScope scope;
   OpenCV::Init(target);