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diff --git a/packages/vscode-tailwindcss/src/extension.ts b/packages/vscode-tailwindcss/src/extension.ts
index b324b2c5fb4f04d1f3c36b6bd9087d7e1d0f56b5..ac8951b8b58e4e439b17b523d1987768cf487bfb 100755
--- a/packages/vscode-tailwindcss/src/extension.ts
+++ b/packages/vscode-tailwindcss/src/extension.ts
@@ -644,11 +644,15 @@       bootWorkspaceClient(folder)
       return
     }
 
+    let exclude = `{${getExcludePatterns(folder)
+      .flatMap((pattern) => braces.expand(pattern))
+      .join(',')
+      .replace(/{/g, '%7B')
+      .replace(/}/g, '%7D')}}`
+
     let [configFile] = await Workspace.findFiles(
       new RelativePattern(folder, `**/${CONFIG_GLOB}`),
-      `{${getExcludePatterns(folder)
-        .flatMap((pattern) => braces.expand(pattern))
-        .join(',')}}`,
+      exclude,
       1
     )
 
@@ -657,10 +661,7 @@       bootWorkspaceClient(folder)
       return
     }
 
-    let cssFiles = await Workspace.findFiles(
-      new RelativePattern(folder, `**/${CSS_GLOB}`),
-      `{${getExcludePatterns(folder).join(',')}}`
-    )
+    let cssFiles = await Workspace.findFiles(new RelativePattern(folder, `**/${CSS_GLOB}`), exclude)
 
     for (let cssFile of cssFiles) {
       if (await fileContainsAtConfig(cssFile)) {