diff --git a/arch/s390/include/asm/perf_event.h b/arch/s390/include/asm/perf_event.h
index b9da71632827..ea340b901839 100644
--- a/arch/s390/include/asm/perf_event.h
+++ b/arch/s390/include/asm/perf_event.h
@@ -75,6 +75,7 @@ struct perf_sf_sde_regs {
 #define SAMPLE_FREQ_MODE(hwc)	(SAMPL_FLAGS(hwc) & PERF_CPUM_SF_FREQ_MODE)
 
 #define perf_arch_fetch_caller_regs(regs, __ip) do {			\
+	(regs)->psw.mask = 0;						\
 	(regs)->psw.addr = (__ip);					\
 	(regs)->gprs[15] = (unsigned long)__builtin_frame_address(0) -	\
 		offsetof(struct stack_frame, back_chain);		\