diff --git a/assertion.h b/assertion.h
index 17f4b07..8acd81c 100644
--- a/assertion.h
+++ b/assertion.h
@@ -15,11 +15,13 @@ namespace Alepha::Hydrogen  ::detail::  assertion_m
 		inline void
 		assertion( const bool b )
 		{
+			#ifndef NDEBUG
 			if( not b )
 			{
 				throw build_exception< ProgrammerExpectationViolation >( 
 						"Expectation violated." );
 			}
+			#endif
 		}
 	}
 }