diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 993708d11874..7855cdc4e763 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -305,6 +305,7 @@ $(obj)/%.rs: $(obj)/%.rs.S FORCE
 getasmexports =
         \
    { echo "\#include <linux/kernel.h>" ;                               \
      echo "\#include <linux/string.h>" ;                               \
+     echo "\#define  __GENKSYMS__" ;                                   \
      echo "\#include <asm/asm-prototypes.h>" ;                         \
      $(call getexportsymbols,EXPORT_SYMBOL(\1);) ; }