diff --git a/modules/plugin/base/src/Makefile.in b/modules/plugin/base/src/Makefile.in
index 5765aac99401..411f6405135d 100644
--- a/modules/plugin/base/src/Makefile.in
+++ b/modules/plugin/base/src/Makefile.in
@@ -59,6 +59,13 @@ EXTRA_DSO_LDOPTS = \
 		$(MOZ_COMPONENT_LIBS) \
 		$(NULL)
 
+
+ifndef MOZ_MONOLITHIC_TOOLKIT
+EXTRA_DSO_LDOPTS += $(MOZ_GTK_LDFLAGS)
+else
+EXTRA_DSO_LDOPTS += $(TK_LIBS)
+endif 
+
 include $(topsrcdir)/config/rules.mk
 
 DEFINES		+= -D_IMPL_NS_PLUGIN
diff --git a/modules/plugin/nglsrc/Makefile.in b/modules/plugin/nglsrc/Makefile.in
index 5765aac99401..411f6405135d 100644
--- a/modules/plugin/nglsrc/Makefile.in
+++ b/modules/plugin/nglsrc/Makefile.in
@@ -59,6 +59,13 @@ EXTRA_DSO_LDOPTS = \
 		$(MOZ_COMPONENT_LIBS) \
 		$(NULL)
 
+
+ifndef MOZ_MONOLITHIC_TOOLKIT
+EXTRA_DSO_LDOPTS += $(MOZ_GTK_LDFLAGS)
+else
+EXTRA_DSO_LDOPTS += $(TK_LIBS)
+endif 
+
 include $(topsrcdir)/config/rules.mk
 
 DEFINES		+= -D_IMPL_NS_PLUGIN