diff --git a/celestia/src/celestia/Makefile.am b/celestia/src/celestia/Makefile.am
index 270c7a8..c37e939 100644
--- a/celestia/src/celestia/Makefile.am
+++ b/celestia/src/celestia/Makefile.am
@@ -83,7 +83,7 @@ celestia_LDADD = \
 	../cel3ds/libcel3ds.a \
 	../celmath/libcelmath.a \
 	../celutil/libcelutil.a \
-	$(SPICELIB)
+	$(SPICELIB) -ldl -lDCOP
 
 noinst_HEADERS = $(wildcard *.h)
 noinst_DATA = ../../celestia