1 files changed, 1 insertions, 1 deletions

diff --git a/arm-gen.c b/arm-gen.c
index 42feecf..9370db5 100644
--- a/arm-gen.c
+++ b/arm-gen.c
@@ -75,7 +75,7 @@ enum {
 #endif
 };
 
-int reg_classes[NB_REGS] = {
+const int reg_classes[NB_REGS] = {
     /* r0 */ RC_INT | RC_R0,
     /* r1 */ RC_INT | RC_R1,
     /* r2 */ RC_INT | RC_R2,