diff --git a/src/cmd/asm/internal/flags/flags.go b/src/cmd/asm/internal/flags/flags.go
index 0765439959..426e0156aa 100644
--- a/src/cmd/asm/internal/flags/flags.go
+++ b/src/cmd/asm/internal/flags/flags.go
@@ -24,7 +24,7 @@ var (
 	SymABIs          = flag.Bool("gensymabis", false, "write symbol ABI information to output file, don't assemble")
 	Importpath       = flag.String("p", "", "set expected package import to path")
 	Spectre          = flag.String("spectre", "", "enable spectre mitigations in `list` (all, ret)")
-	CompilingRuntime = flag.Bool("compilingRuntime", false, "source to be compiled is part of the Go runtime")
+	CompilingRuntime = flag.Bool("compiling-runtime", false, "source to be compiled is part of the Go runtime")
 )
 
 var (
diff --git a/src/cmd/dist/build.go b/src/cmd/dist/build.go
index 11da38ebdf..d902addb0c 100644
--- a/src/cmd/dist/build.go
+++ b/src/cmd/dist/build.go
@@ -833,7 +833,7 @@ func runInstall(pkg string, ch chan struct{}) {
 	}
 	goasmh := pathf("%s/go_asm.h", workdir)
 	if IsRuntimePackagePath(pkg) {
-		asmArgs = append(asmArgs, "-compilingRuntime")
+		asmArgs = append(asmArgs, "-compiling-runtime")
 		if os.Getenv("GOEXPERIMENT") == "regabi" {
 			// In order to make it easier to port runtime assembly
 			// to the register ABI, we introduce a macro
diff --git a/src/cmd/go/internal/work/gc.go b/src/cmd/go/internal/work/gc.go
index 2df4a52ba5..e93031431c 100644
--- a/src/cmd/go/internal/work/gc.go
+++ b/src/cmd/go/internal/work/gc.go
@@ -293,7 +293,7 @@ func asmArgs(a *Action, p *load.Package) []interface{} {
 		}
 	}
 	if objabi.IsRuntimePackagePath(pkgpath) {
-		args = append(args, "-compilingRuntime")
+		args = append(args, "-compiling-runtime")
 		if objabi.Regabi_enabled != 0 {
 			// In order to make it easier to port runtime assembly
 			// to the register ABI, we introduce a macro