diff --git a/mozilla/extensions/transformiix/build/Makefile.in b/mozilla/extensions/transformiix/build/Makefile.in
index f8b932fd24d..11daeda56dd 100644
--- a/mozilla/extensions/transformiix/build/Makefile.in
+++ b/mozilla/extensions/transformiix/build/Makefile.in
@@ -145,6 +145,10 @@ EXTRA_DSO_LDOPTS += \
   $(MOZ_JS_LIBS) \
   $(NULL)
 
+ifdef BUILD_SHARED_LIBS
+FORCE_USE_PIC=1
+endif
+
 include $(topsrcdir)/config/rules.mk
 
 INCLUDES += -I$(srcdir)/../source/xslt -I$(srcdir)/../source/base \