diff --git a/OpenChange/GNUmakefile b/OpenChange/GNUmakefile
index 3d9fa5b9f..d8d2585ef 100644
--- a/OpenChange/GNUmakefile
+++ b/OpenChange/GNUmakefile
@@ -171,7 +171,7 @@ LIBMAPISTORE_LIBS = $(shell pkg-config libmapistore --libs) -lmapiproxy -lWEExte
 
 $(MAPISTORESOGO)_INSTALL_DIR = $(DESTDIR)/$(SAMBA_LIB_DIR)/mapistore_backends
 $(MAPISTORESOGO)_LIB_DIRS += \
-        -L../SoObjects/SOGo/SOGo.framework/ -lSOGo \
+        -L../SoObjects/SOGo/SOGo.framework/ -lSOGo -lgnustep-base -lobjc -lNGObjWeb \
 	$(LIBMAPI_LIBS) \
 	$(LIBMAPISTORE_LIBS)
 
diff --git a/configure b/configure
index 4ca694817..2dc585c1d 100755
--- a/configure
+++ b/configure
@@ -381,7 +381,7 @@ checkDependencies() {
       if test $? = 0; then
           lasso_cflags="`pkg-config lasso --cflags`"
           cfgwrite "LASSO_CFLAGS := $lasso_cflags"
-          lasso_libs="`pkg-config lasso --libs`"
+          lasso_libs="`pkg-config lasso --libs` `pkg-config gobject-2.0 --libs`"
           cfgwrite "LASSO_LIBS := $lasso_libs"
       fi;
   fi