diff --git a/configure.ac b/configure.ac
index 41ceae444..38239fb46 100644
--- a/configure.ac
+++ b/configure.ac
@@ -523,6 +523,7 @@ AC_CONFIG_FILES([ \
 	src/GUI/Makefile \
 	src/Input/Makefile \
 	src/Instrumentation/Makefile \
+	src/Instrumentation/KLN89/Makefile \
 	src/Main/Makefile \
 	src/Main/runfgfs \
 	src/Main/runfgfs.bat \
diff --git a/src/Main/Makefile.am b/src/Main/Makefile.am
index 4efa4deaf..d1c884fb2 100644
--- a/src/Main/Makefile.am
+++ b/src/Main/Makefile.am
@@ -72,6 +72,7 @@ fgfs_LDADD = \
 	$(top_builddir)/src/GUI/libGUI.a \
 	$(top_builddir)/src/Autopilot/libAutopilot.a \
 	$(top_builddir)/src/Input/libInput.a \
+	$(top_builddir)/src/Instrumentation/KLN89/libKLN89.a \
 	$(top_builddir)/src/Instrumentation/libInstrumentation.a \
 	$(top_builddir)/src/Model/libModel.a \
 	$(top_builddir)/src/AIModel/libAIModel.a \