diff --git a/libgcc/config/t-vxworks b/libgcc/config/t-vxworks
index 42db6a8cb705..ca0d0cfcb6a2 100644
--- a/libgcc/config/t-vxworks
+++ b/libgcc/config/t-vxworks
@@ -32,7 +32,7 @@ LIB2FUNCS_EXCLUDE += _clear_cache
 
 LIBGCC2_INCLUDES = -nostdinc -include vxworks-predef.h -I. \
   $(if $(findstring vxworks7, $(target_noncanonical)), \
-    -I$(VSB_DIR)/h -I$(VSB_DIR)/share/h -I=/system -I=/public, \
+    -I=/../../h -I=/../../share/h -I=/system -I=/public, \
     -I=/ -I=/wrn/coreip) \
   -isystem $(MULTIBUILDTOP)../../gcc/include-fixed$(MULTISUBDIR) \
   -isystem $(MULTIBUILDTOP)../../gcc/include