diff --git a/crates/rspack_plugin_css/src/parser_and_generator/mod.rs b/crates/rspack_plugin_css/src/parser_and_generator/mod.rs
index cdca4895fcb..00cbcd3be06 100644
--- a/crates/rspack_plugin_css/src/parser_and_generator/mod.rs
+++ b/crates/rspack_plugin_css/src/parser_and_generator/mod.rs
@@ -164,7 +164,7 @@ impl ParserAndGenerator for CssParserAndGenerator {
           range,
           kind,
         } => {
-          if request.is_empty() {
+          if request.trim().is_empty() {
             continue;
           }
           let request = replace_module_request_prefix(
diff --git a/packages/rspack-test-tools/tests/builtinCases/plugin-css/simple-url/__snapshots__/output.snap.txt b/packages/rspack-test-tools/tests/builtinCases/plugin-css/simple-url/__snapshots__/output.snap.txt
new file mode 100644
index 00000000000..c58d966b87a
--- /dev/null
+++ b/packages/rspack-test-tools/tests/builtinCases/plugin-css/simple-url/__snapshots__/output.snap.txt
@@ -0,0 +1,7 @@
+```css title=main.css
+body {
+  background: red url('    ');
+}
+
+
+```
\ No newline at end of file
diff --git a/packages/rspack-test-tools/tests/builtinCases/plugin-css/simple-url/index.js b/packages/rspack-test-tools/tests/builtinCases/plugin-css/simple-url/index.js
new file mode 100644
index 00000000000..4fe51c72d64
--- /dev/null
+++ b/packages/rspack-test-tools/tests/builtinCases/plugin-css/simple-url/index.js
@@ -0,0 +1 @@
+import "./style.css";
diff --git a/packages/rspack-test-tools/tests/builtinCases/plugin-css/simple-url/style.css b/packages/rspack-test-tools/tests/builtinCases/plugin-css/simple-url/style.css
new file mode 100644
index 00000000000..328d5ecda4e
--- /dev/null
+++ b/packages/rspack-test-tools/tests/builtinCases/plugin-css/simple-url/style.css
@@ -0,0 +1,3 @@
+body {
+  background: red url('    ');
+}