diff --git a/SoObjects/SOGo/GNUmakefile.preamble b/SoObjects/SOGo/GNUmakefile.preamble
index 925df35a0..baa7f5b94 100644
--- a/SoObjects/SOGo/GNUmakefile.preamble
+++ b/SoObjects/SOGo/GNUmakefile.preamble
@@ -49,6 +49,10 @@ else
 SOGo_LIBRARIES_DEPEND_UPON += -lcrypt
 endif
 
+ifeq ($(findstring gnu, $(GNUSTEP_HOST_OS)), gnu)
+SOGo_LIBRARIES_DEPEND_UPON += -ldl
+endif
+
 ADDITIONAL_TOOL_LIBS += \
         -L$(GNUSTEP_OBJ_DIR)/ \
         -lSOGo \