diff --git a/make-includes/build_lecture_rules.make b/make-includes/build_lecture_rules.make
index 3c4ed3d..01c8a53 100755
--- a/make-includes/build_lecture_rules.make
+++ b/make-includes/build_lecture_rules.make
@@ -276,6 +276,7 @@
 	@$(ECHO) "PAPER_NUMBER = [$(PAPER_NUMBER)]"
 	@$(ECHO) "GLOBAL_HANDBOOK_INCLUDE = [$(GLOBAL_HANDBOOK_INCLUDE)]"
 	@$(ECHO) "INSTALL_DIRECTORY = [$(INSTALL_DIRECTORY)]"
+	@$(ECHO) "BUILD_DIR = [$(BUILD_DIR)]"
 	@$(ECHO) "INSTALL_FILES = [$(INSTALL_FILES)]"
 	@$(ECHO) "SLIDE_IMAGES = [$(SLIDE_IMAGES)]"
 	@$(ECHO) "SLIDE_BACKGROUNDS = [$(SLIDE_BACKGROUNDS)]"