1 files changed, 5 insertions, 0 deletions
diff --git a/rotord/cvimage.h b/rotord/cvimage.h
index 44cbca8..81233a0 100644
--- a/rotord/cvimage.h
+++ b/rotord/cvimage.h
@@ -1,3 +1,6 @@
+#ifndef ROTOR_CVIMAGE
+#define ROTOR_CVIMAGE
+
 #include <math.h>
 #include <cv.h>
 
@@ -181,3 +184,5 @@ namespace Rotor {
 			cv::Mat alpha;
 	};
 }
+
+#endif
+\ No newline at end of file