diff --git a/src/SelfTests.cpp b/src/SelfTests.cpp
index f03035a76..7e35e675e 100644
--- a/src/SelfTests.cpp
+++ b/src/SelfTests.cpp
@@ -11,7 +11,7 @@
 
 
 
-#if SELF_TEST
+#ifdef SELF_TEST
 	cSelfTests::cSelfTests(void):
 		m_AllowRegistering(true)
 	{