diff --git a/qemu/target/arm/translate-a64.c b/qemu/target/arm/translate-a64.c
index f7c84410..7e936466 100644
--- a/qemu/target/arm/translate-a64.c
+++ b/qemu/target/arm/translate-a64.c
@@ -5882,7 +5882,7 @@ static void disas_fp_int_conv(DisasContext *s, uint32_t insn)
         default:
             /* all other sf/type/rmode combinations are invalid */
             unallocated_encoding(s);
-            break;
+            return;
         }
 
         if (!fp_access_check(s)) {