diff --git a/target-i386/helper.c b/target-i386/helper.c
index 1217452..39456bc 100644
--- a/target-i386/helper.c
+++ b/target-i386/helper.c
@@ -1148,7 +1148,7 @@ void cpu_inject_x86_mce(CPUState *cenv, int bank, uint64_t status,
                     continue;
                 }
 
-                qemu_inject_x86_mce(env, 1, 0xa000000000000000, 0, 0, 0);
+                qemu_inject_x86_mce(env, 1, 0xa000000000000000LL, 0, 0, 0);
             }
         }
     }