diff --git a/src/runtime/sys_windows_amd64.s b/src/runtime/sys_windows_amd64.s
index aba2811e59..a7c519ae19 100644
--- a/src/runtime/sys_windows_amd64.s
+++ b/src/runtime/sys_windows_amd64.s
@@ -464,7 +464,13 @@ loop:
 	MOVQ	CX, ret+0(FP)
 	RET
 useQPC:
-	JMP	runtime·nanotimeQPC(SB)
+	// Call with ABIInternal because we could be
+	// very deep in a nosplit context and the wrapper
+	// adds stack space.
+	// TODO(#40724): The result from nanotimeQPC will
+	// be passed in a register, so store that to the
+	// stack so we can return through a wrapper.
+	JMP	runtime·nanotimeQPC<ABIInternal>(SB)
 	RET
 
 TEXT time·now(SB),NOSPLIT,$0-24