diff --git a/src/cmd/go/internal/work/exec.go b/src/cmd/go/internal/work/exec.go
index c61779bb3cf9db..1aa362a538f888 100644
--- a/src/cmd/go/internal/work/exec.go
+++ b/src/cmd/go/internal/work/exec.go
@@ -2858,7 +2858,7 @@ func (pr *runCgoProvider) cxxflags() []string {
 }
 
 func (pr *runCgoProvider) fflags() []string {
-	return pr.CXXFLAGS
+	return pr.FFLAGS
 }
 
 func (pr *runCgoProvider) ldflags() []string {