diff --git a/exec/Makefile b/exec/Makefile
index bf849810..354b3107 100644
--- a/exec/Makefile
+++ b/exec/Makefile
@@ -217,7 +217,7 @@ depend:
 
 # - fPIC rules required for service handler shared objects
 ../lcr/lcr_ifact.o: ../lcr/lcr_ifact.c
-	$(CC) $(CFLAGS) $(CPPFLAGS) -DPREFIX='"$(PREFIX)"' -I../lcr -c -o $@ ../lcr/lcr_ifact.c
+	$(CC) $(CFLAGS) $(CPPFLAGS) -DPREFIX='"$(PREFIX)"' -DLCRSODIR='"$(LCRSODIR)"' -I../lcr -c -o $@ ../lcr/lcr_ifact.c
 
 evs.o: evs.c
 	$(CC) $(CFLAGS) $(CPPFLAGS) -c -o $@ $<