src/cmd/go/internal/imports/scan.go        |  2 +-
 src/cmd/go/testdata/script/mod_symlink.txt | 29 ++++++++++++++++++++++++-----

diff --git a/src/cmd/go/internal/imports/scan.go b/src/cmd/go/internal/imports/scan.go
index 966a38cfef3adf2ad353ba0c6eab85b9493f46a2..3d9b6132b121b3d8cbab28f8c46547c1692d600e 100644
--- a/src/cmd/go/internal/imports/scan.go
+++ b/src/cmd/go/internal/imports/scan.go
@@ -26,7 +26,7 @@
 		// If the directory entry is a symlink, stat it to obtain the info for the
 		// link target instead of the link itself.
 		if info.Mode()&os.ModeSymlink != 0 {
-			info, err = os.Stat(name)
+			info, err = os.Stat(filepath.Join(dir, name))
 			if err != nil {
 				continue // Ignore broken symlinks.
 			}
diff --git a/src/cmd/go/testdata/script/mod_symlink.txt b/src/cmd/go/testdata/script/mod_symlink.txt
index 61da3cc35580b11f477915dc290367ff73f6f9b3..49bece2b84dad5594513ecebbf2f03f58bdd4b34 100644
--- a/src/cmd/go/testdata/script/mod_symlink.txt
+++ b/src/cmd/go/testdata/script/mod_symlink.txt
@@ -2,16 +2,31 @@ env GO111MODULE=on
 [!symlink] skip
 
 # 'go list' should resolve modules of imported packages.
-go list -deps -f '{{.Module}}'
+go list -deps -f '{{.Module}}' .
 stdout golang.org/x/text
 
-# They should continue to resolve if the importing file is a symlink.
+go list -deps -f '{{.Module}}' ./subpkg
+stdout golang.org/x/text
+
+# Create a copy of the module using symlinks in src/links.
 mkdir links
+symlink links/go.mod -> $GOPATH/src/go.mod
+symlink links/issue.go -> $GOPATH/src/issue.go
+mkdir links/subpkg
+symlink links/subpkg/issue.go -> $GOPATH/src/subpkg/issue.go
+
+# We should see the copy as a valid module root.
 cd links
-symlink go.mod -> ../go.mod
-symlink issue.go -> ../issue.go
+go env GOMOD
+stdout links[/\\]go.mod
+go list -m
+stdout golang.org/issue/28107
 
-go list -deps -f '{{.Module}}'
+# The symlink-based copy should contain the same packages
+# and have the same dependencies as the original.
+go list -deps -f '{{.Module}}' .
+stdout golang.org/x/text
+go list -deps -f '{{.Module}}' ./subpkg
 stdout golang.org/x/text
 
 -- go.mod --
@@ -21,3 +36,7 @@ -- issue.go --
 package issue
 
 import _ "golang.org/x/text/language"
+-- subpkg/issue.go --
+package issue
+
+import _ "golang.org/x/text/language"