diff --git a/crates/swc_css_codegen/src/lib.rs b/crates/swc_css_codegen/src/lib.rs
index 7b7f110128ce..c3d33cbc88c6 100644
--- a/crates/swc_css_codegen/src/lib.rs
+++ b/crates/swc_css_codegen/src/lib.rs
@@ -2486,7 +2486,17 @@ where
                         formatting_space!(self);
                     }
                     _ => {
-                        space!(self)
+                        let next = nodes.get(idx + 1);
+
+                        match next {
+                            Some(PseudoClassSelectorChildren::Delimiter(Delimiter {
+                                value: DelimiterValue::Comma,
+                                ..
+                            })) => {}
+                            _ => {
+                                space!(self)
+                            }
+                        }
                     }
                 }
             }
diff --git a/crates/swc_css_codegen/tests/fixture/selectors/pseudo-class/lang/input.css b/crates/swc_css_codegen/tests/fixture/selectors/pseudo-class/lang/input.css
index dcad4860119d..389c5c1262db 100644
--- a/crates/swc_css_codegen/tests/fixture/selectors/pseudo-class/lang/input.css
+++ b/crates/swc_css_codegen/tests/fixture/selectors/pseudo-class/lang/input.css
@@ -5,3 +5,5 @@ html:lang(de) {}
 html:lang(de, fr) {}
 :lang(fr-be) > q {}
 :lang(de) > q {}
+:lang(zh, "*-hant") {}
+:lang("*-hant", zh) {}
diff --git a/crates/swc_css_codegen/tests/fixture/selectors/pseudo-class/lang/output.css b/crates/swc_css_codegen/tests/fixture/selectors/pseudo-class/lang/output.css
index b5eafecfa129..389c5c1262db 100644
--- a/crates/swc_css_codegen/tests/fixture/selectors/pseudo-class/lang/output.css
+++ b/crates/swc_css_codegen/tests/fixture/selectors/pseudo-class/lang/output.css
@@ -2,6 +2,8 @@
 :lang("*-Latn") {}
 html:lang(fr-be) {}
 html:lang(de) {}
-html:lang(de , fr) {}
+html:lang(de, fr) {}
 :lang(fr-be) > q {}
 :lang(de) > q {}
+:lang(zh, "*-hant") {}
+:lang("*-hant", zh) {}
diff --git a/crates/swc_css_codegen/tests/fixture/selectors/pseudo-class/lang/output.min.css b/crates/swc_css_codegen/tests/fixture/selectors/pseudo-class/lang/output.min.css
index e5871b218b2c..462de0716a19 100644
--- a/crates/swc_css_codegen/tests/fixture/selectors/pseudo-class/lang/output.min.css
+++ b/crates/swc_css_codegen/tests/fixture/selectors/pseudo-class/lang/output.min.css
@@ -1 +1 @@
-:lang(\*-Latn){}:lang("*-Latn"){}html:lang(fr-be){}html:lang(de){}html:lang(de ,fr){}:lang(fr-be)>q{}:lang(de)>q{}
+:lang(\*-Latn){}:lang("*-Latn"){}html:lang(fr-be){}html:lang(de){}html:lang(de,fr){}:lang(fr-be)>q{}:lang(de)>q{}:lang(zh,"*-hant"){}:lang("*-hant",zh){}