diff --git a/Makefile.config.in b/Makefile.config.in
index 98afd5b5..0310b9c4 100644
--- a/Makefile.config.in
+++ b/Makefile.config.in
@@ -83,6 +83,7 @@ PYTHON_LIBS = @PYTHON_LIBS@
 RANLIB = @RANLIB@
 RUBY_CFLAGS = @RUBY_CFLAGS@
 RUBY_LIBS = @RUBY_LIBS@
+SEE_CFLAGS = @SEE_CFLAGS@
 SPARSE = @SPARSE@
 SPIDERMONKEY_CFLAGS = @SPIDERMONKEY_CFLAGS@
 SPIDERMONKEY_LIBS = @SPIDERMONKEY_LIBS@
diff --git a/configure.in b/configure.in
index a484cc1f..accbc2ed 100644
--- a/configure.in
+++ b/configure.in
@@ -603,7 +603,6 @@ if test "$enable_see" = "yes"; then
 		SEE_LIBS="`$SEE_CONFIG --libs`"
 		SEE_CFLAGS="`$SEE_CONFIG --cppflags`"
 		LIBS="$SEE_LIBS $LIBS"
-		CPPFLAGS="$CPPFLAGS $SEE_CFLAGS"
 		EL_CONFIG(CONFIG_ECMASCRIPT_SEE, [SEE])
 		AC_SUBST(SEE_CFLAGS)
 	else
diff --git a/src/ecmascript/Makefile b/src/ecmascript/Makefile
index 6581d82a..c5ca6ea0 100644
--- a/src/ecmascript/Makefile
+++ b/src/ecmascript/Makefile
@@ -1,6 +1,6 @@
 top_builddir=../..
 include $(top_builddir)/Makefile.config
-INCLUDES += $(SPIDERMONKEY_CFLAGS)
+INCLUDES += $(SPIDERMONKEY_CFLAGS) $(SEE_CFLAGS)
 
 SUBDIRS-$(CONFIG_ECMASCRIPT_SEE)	+= see
 SUBDIRS-$(CONFIG_ECMASCRIPT_SMJS)	+= spidermonkey
diff --git a/src/ecmascript/see/Makefile b/src/ecmascript/see/Makefile
index 257f9bee..f933a548 100644
--- a/src/ecmascript/see/Makefile
+++ b/src/ecmascript/see/Makefile
@@ -1,5 +1,6 @@
 top_builddir=../../..
 include $(top_builddir)/Makefile.config
+INCLUDES += $(SEE_CFLAGS)
 
 OBJS = checktype.o document.o form.o input.o location.o navigator.o strings.o unibar.o window.o