diff --git a/misc/cgo/testplugin/test.bash b/misc/cgo/testplugin/test.bash
index dbc28b19aa..eed7fc451b 100755
--- a/misc/cgo/testplugin/test.bash
+++ b/misc/cgo/testplugin/test.bash
@@ -23,7 +23,7 @@ trap cleanup EXIT
 rm -rf pkg sub
 mkdir sub
 
-GOPATH=$(pwd) go build -gcflags "$GO_GCFLAGS" -buildmode=plugin plugin1
+GOPATH=$(pwd) go build -i -gcflags "$GO_GCFLAGS" -buildmode=plugin plugin1
 GOPATH=$(pwd) go build -gcflags "$GO_GCFLAGS" -buildmode=plugin plugin2
 cp plugin2.so plugin2-dup.so
 GOPATH=$(pwd)/altpath go build -gcflags "$GO_GCFLAGS" -buildmode=plugin plugin-mismatch