diff --git a/libs/antlr-2.7.7/CMakeLists.txt b/libs/antlr-2.7.7/CMakeLists.txt
index 0c4fdc16..ac09913e 100644
--- a/libs/antlr-2.7.7/CMakeLists.txt
+++ b/libs/antlr-2.7.7/CMakeLists.txt
@@ -85,5 +85,7 @@ set(ANTLR_HDR
 		antlr/config.hpp
 		)
 
+include_directories(.)
+
 add_library(antlr ${ANTLR_SRC} ${ANTLR_HDR})