diff --git a/lang/gcc14/Portfile b/lang/gcc14/Portfile
index 77e43216609b9..2e248e2147dea 100644
--- a/lang/gcc14/Portfile
+++ b/lang/gcc14/Portfile
@@ -360,7 +360,7 @@ if { ${subport} ne ${libcxxname} } {
     }
 
     # libcxx is unavailable on PPC
-    if {${build_arch} ni [list ppc ppc64]} {
+    if {${build_arch} ni [list ppc ppc64] && ${os.major} > 8} {
         default_variants-append +stdlib_flag
     }