diff --git a/src/cmd/go/internal/bug/bug.go b/src/cmd/go/internal/bug/bug.go
index a81ca7d8c3..702dc2a14a 100644
--- a/src/cmd/go/internal/bug/bug.go
+++ b/src/cmd/go/internal/bug/bug.go
@@ -106,8 +106,9 @@ func printGoEnv(w io.Writer) {
 }
 
 func printGoDetails(w io.Writer) {
-	printCmdOut(w, "GOROOT/bin/go version: ", filepath.Join(runtime.GOROOT(), "bin/go"), "version")
-	printCmdOut(w, "GOROOT/bin/go tool compile -V: ", filepath.Join(runtime.GOROOT(), "bin/go"), "tool", "compile", "-V")
+	gocmd := filepath.Join(runtime.GOROOT(), "bin/go")
+	printCmdOut(w, "GOROOT/bin/go version: ", gocmd, "version")
+	printCmdOut(w, "GOROOT/bin/go tool compile -V: ", gocmd, "tool", "compile", "-V")
 }
 
 func printOSDetails(w io.Writer) {