diff --git a/qemu/target/arm/helper.c b/qemu/target/arm/helper.c
index 4e3a0e81..48b7e517 100644
--- a/qemu/target/arm/helper.c
+++ b/qemu/target/arm/helper.c
@@ -1014,7 +1014,7 @@ static void pmccfiltr_write(CPUARMState *env, const ARMCPRegInfo *ri,
                             uint64_t value)
 {
     pmccntr_sync(env);
-    env->cp15.pmccfiltr_el0 = value & 0x7E000000;
+    env->cp15.pmccfiltr_el0 = value & 0xfc000000;
     pmccntr_sync(env);
 }