diff --git a/firmware/target/arm/as3525/system-as3525.c b/firmware/target/arm/as3525/system-as3525.c
index 01534abb3c..d8059715d0 100644
--- a/firmware/target/arm/as3525/system-as3525.c
+++ b/firmware/target/arm/as3525/system-as3525.c
@@ -369,8 +369,8 @@ void set_cpu_frequency(long frequency)
 
         asm volatile(
             "mrc p15, 0, r0, c1, c0  \n"
-            "bic r0, r0, #3<<30      \n"   /* clear bus bits */
-            "orr r0, r0, #1<<30      \n"   /* synchronous bus clocking */
+            "orr r0, r0, #3<<30      \n"   /* asynchronous bus clocking */
+            /* synchronous bus clocking had issues on some players */
             "mcr p15, 0, r0, c1, c0  \n"
             : : : "r0" );