diff --git a/src/runtime/sys_linux_amd64.s b/src/runtime/sys_linux_amd64.s
index c2b1376fa9..bf539aa0da 100644
--- a/src/runtime/sys_linux_amd64.s
+++ b/src/runtime/sys_linux_amd64.s
@@ -82,15 +82,18 @@ TEXT runtime·usleep(SB),NOSPLIT,$16
 	MOVL	$1000000, CX
 	DIVL	CX
 	MOVQ	AX, 0(SP)
-	MOVQ	DX, 8(SP)
+	MOVL	$1000, AX	// usec to nsec
+	MULL	DX
+	MOVQ	AX, 8(SP)
 
-	// select(0, 0, 0, 0, &tv)
+	// pselect6(0, 0, 0, 0, &ts, 0)
 	MOVL	$0, DI
 	MOVL	$0, SI
 	MOVL	$0, DX
 	MOVL	$0, R10
 	MOVQ	SP, R8
-	MOVL	$23, AX
+	MOVL	$0, R9
+	MOVL	$270, AX
 	SYSCALL
 	RET
 
diff --git a/src/runtime/sys_linux_arm.s b/src/runtime/sys_linux_arm.s
index 0244613e67..64beed8f68 100644
--- a/src/runtime/sys_linux_arm.s
+++ b/src/runtime/sys_linux_arm.s
@@ -36,7 +36,7 @@
 #define SYS_gettid (SYS_BASE + 224)
 #define SYS_tkill (SYS_BASE + 238)
 #define SYS_sched_yield (SYS_BASE + 158)
-#define SYS_select (SYS_BASE + 142) // newselect
+#define SYS_pselect6 (SYS_BASE + 335)
 #define SYS_ugetrlimit (SYS_BASE + 191)
 #define SYS_sched_getaffinity (SYS_BASE + 242)
 #define SYS_clock_gettime (SYS_BASE + 263)
@@ -388,13 +388,16 @@ TEXT runtime·usleep(SB),NOSPLIT,$12
 	MOVW	usec+0(FP), R0
 	CALL	runtime·usplitR0(SB)
 	MOVW	R0, 4(R13)
+	MOVW	$1000, R0	// usec to nsec
+	MUL	R0, R1
 	MOVW	R1, 8(R13)
 	MOVW	$0, R0
 	MOVW	$0, R1
 	MOVW	$0, R2
 	MOVW	$0, R3
 	MOVW	$4(R13), R4
-	MOVW	$SYS_select, R7
+	MOVW	$0, R5
+	MOVW	$SYS_pselect6, R7
 	SWI	$0
 	RET