diff --git a/src/Makefile.am b/src/Makefile.am
index 211cb9f..c6a041f 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -29,6 +29,7 @@
 	templates/generated.mako.hpp \
 	templates/journal.mako.cpp \
 	templates/elog.mako.cpp \
+	templates/errors.mako.hpp \
 	templates/method.mako.cpp
 
 generated.hpp: $(PDMGEN) $(YAML_PATH) $(TEMPLATES)