diff --git a/mozilla/htmlparser/robot/Makefile.in b/mozilla/htmlparser/robot/Makefile.in
index 7b16e463740..33b42649a1e 100644
--- a/mozilla/htmlparser/robot/Makefile.in
+++ b/mozilla/htmlparser/robot/Makefile.in
@@ -43,6 +43,9 @@ ifdef ENABLE_TESTS
 DIRS		= test
 endif
 
-EXTRA_DSO_LDOPTS += $(MOZ_COMPONENT_LIBS)
+EXTRA_DSO_LDOPTS += \
+		$(MOZ_UNICHARUTIL_LIBS) \
+		$(MOZ_COMPONENT_LIBS) \
+		$(NULL)
 
 include $(topsrcdir)/config/rules.mk
diff --git a/mozilla/parser/htmlparser/robot/Makefile.in b/mozilla/parser/htmlparser/robot/Makefile.in
index 7b16e463740..33b42649a1e 100644
--- a/mozilla/parser/htmlparser/robot/Makefile.in
+++ b/mozilla/parser/htmlparser/robot/Makefile.in
@@ -43,6 +43,9 @@ ifdef ENABLE_TESTS
 DIRS		= test
 endif
 
-EXTRA_DSO_LDOPTS += $(MOZ_COMPONENT_LIBS)
+EXTRA_DSO_LDOPTS += \
+		$(MOZ_UNICHARUTIL_LIBS) \
+		$(MOZ_COMPONENT_LIBS) \
+		$(NULL)
 
 include $(topsrcdir)/config/rules.mk