diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
index 9e1cdcf8d124..eefe543f84c9 100644
--- a/arch/s390/include/asm/processor.h
+++ b/arch/s390/include/asm/processor.h
@@ -36,17 +36,17 @@
 
 static inline void set_cpu_flag(int flag)
 {
-	S390_lowcore.cpu_flags |= (1U << flag);
+	S390_lowcore.cpu_flags |= (1UL << flag);
 }
 
 static inline void clear_cpu_flag(int flag)
 {
-	S390_lowcore.cpu_flags &= ~(1U << flag);
+	S390_lowcore.cpu_flags &= ~(1UL << flag);
 }
 
 static inline int test_cpu_flag(int flag)
 {
-	return !!(S390_lowcore.cpu_flags & (1U << flag));
+	return !!(S390_lowcore.cpu_flags & (1UL << flag));
 }
 
 #define arch_needs_cpu() test_cpu_flag(CIF_NOHZ_DELAY)
diff --git a/arch/s390/include/asm/ptrace.h b/arch/s390/include/asm/ptrace.h
index 6feda2599282..b60f840f601d 100644
--- a/arch/s390/include/asm/ptrace.h
+++ b/arch/s390/include/asm/ptrace.h
@@ -128,17 +128,17 @@ struct per_struct_kernel {
 
 static inline void set_pt_regs_flag(struct pt_regs *regs, int flag)
 {
-	regs->flags |= (1U << flag);
+	regs->flags |= (1UL << flag);
 }
 
 static inline void clear_pt_regs_flag(struct pt_regs *regs, int flag)
 {
-	regs->flags &= ~(1U << flag);
+	regs->flags &= ~(1UL << flag);
 }
 
 static inline int test_pt_regs_flag(struct pt_regs *regs, int flag)
 {
-	return !!(regs->flags & (1U << flag));
+	return !!(regs->flags & (1UL << flag));
 }
 
 /*