diff --git a/examples/elf/Makefile b/examples/elf/Makefile
index 1ddfb60d6..0d17c8a1c 100644
--- a/examples/elf/Makefile
+++ b/examples/elf/Makefile
@@ -30,6 +30,8 @@ CSRCS = cromfs.c
 endif
 CSRCS += dirlist.c
 CSRCS += symtab.c
+tests$(DELIM)symtab.c_CFLAGS = -fno-builtin
+tests$(DELIM)symtab.c_CELFFLAGS = -fno-builtin
 MAINSRC = elf_main.c
 
 PROGNAME = elf