diff --git a/src/runtime/signal_unix.go b/src/runtime/signal_unix.go
index 5aedbf77783..ba3e21ae2ea 100644
--- a/src/runtime/signal_unix.go
+++ b/src/runtime/signal_unix.go
@@ -432,6 +432,8 @@ func sigtrampgo(sig uint32, info *siginfo, ctx unsafe.Pointer) {
 		return
 	}
 
+	setg(g.m.gsignal)
+
 	// If some non-Go code called sigaltstack, adjust.
 	var gsignalStack gsignalStack
 	setStack := adjustSignalStack(sig, g.m, &gsignalStack)
@@ -439,8 +441,6 @@ func sigtrampgo(sig uint32, info *siginfo, ctx unsafe.Pointer) {
 		g.m.gsignal.stktopsp = getcallersp()
 	}
 
-	setg(g.m.gsignal)
-
 	if g.stackguard0 == stackFork {
 		signalDuringFork(sig)
 	}