diff --git a/src/parser/OTF2Parser/ParserOTF2.cpp b/src/parser/OTF2Parser/ParserOTF2.cpp
index 908877164754bb4f71c24d8586cbdf306479d511..810526697532bf41da7ca6633b115e64f7af5061 100644
--- a/src/parser/OTF2Parser/ParserOTF2.cpp
+++ b/src/parser/OTF2Parser/ParserOTF2.cpp
@@ -75,7 +75,7 @@ void ParserOTF2::parse(Trace &trace,
     parserdefinition->create_container_types(&trace);
     parserdefinition->initialize_types(&trace);
 
-#if DEBUG
+#ifdef DEBUG
     parserdefinition->print_definitions();
 #endif // DEBUG