diff --git a/src/proc/Makefile.am b/src/proc/Makefile.am
index 4d0cdc17f..56ef795df 100644
--- a/src/proc/Makefile.am
+++ b/src/proc/Makefile.am
@@ -108,9 +108,11 @@ liblumiprocmobjectbuilder_la_CXXFLAGS = $(AM_CXXFLAGS) $(LUMIERA_PROC_CFLAGS) -W
 liblumiprocmobjectbuilder_la_SOURCES =					\
 	$(liblumiprocmobjectbuilder_la_srcdir)/assembler.cpp		\
 	$(liblumiprocmobjectbuilder_la_srcdir)/conmanager.cpp		\
+	$(liblumiprocmobjectbuilder_la_srcdir)/model-port-registry.cpp	\
+	$(liblumiprocmobjectbuilder_la_srcdir)/operationpoint.cpp	\
 	$(liblumiprocmobjectbuilder_la_srcdir)/nodecreatortool.cpp	\
-	$(liblumiprocmobjectbuilder_la_srcdir)/segmentation.cpp		\
 	$(liblumiprocmobjectbuilder_la_srcdir)/segmentation-tool.cpp	\
+	$(liblumiprocmobjectbuilder_la_srcdir)/segmentation.cpp		\
 	$(liblumiprocmobjectbuilder_la_srcdir)/toolfactory.cpp