diff --git a/c/src/lib/libbsp/powerpc/mpc55xxevb/configure.ac b/c/src/lib/libbsp/powerpc/mpc55xxevb/configure.ac
index 00bae3452c..1f5243ea79 100644
--- a/c/src/lib/libbsp/powerpc/mpc55xxevb/configure.ac
+++ b/c/src/lib/libbsp/powerpc/mpc55xxevb/configure.ac
@@ -16,7 +16,7 @@ RTEMS_CANONICAL_TARGET_CPU
 AM_INIT_AUTOMAKE([no-define nostdinc foreign 1.10])
 RTEMS_BSP_CONFIGURE
 
-RTEMS_PROG_CC_FOR_TARGET([-fasm])
+RTEMS_PROG_CC_FOR_TARGET([-ansi -fasm])
 RTEMS_CANONICALIZE_TOOLS
 RTEMS_PROG_CCAS