diff --git a/Plugins/TailwindCSS/TailwindCSSBuildPlugin.swift b/Plugins/TailwindCSS/TailwindCSSBuildPlugin.swift
index a1263cf..d13cd10 100644
--- a/Plugins/TailwindCSS/TailwindCSSBuildPlugin.swift
+++ b/Plugins/TailwindCSS/TailwindCSSBuildPlugin.swift
@@ -65,8 +65,10 @@ struct TailwindCSSBuildPlugin: BuildToolPlugin {
       .matches(of: sourceDeclarationRegex)
       .compactMap { String($0.output.1) }
     let sourceURLs: [URL] = sourcePaths.map { path in
-      target.directoryURL
-        .appending(component: path, directoryHint: .inferFromPath)
+      // Simplified handling: If ** is used, we just include everything in the directory.
+      let globlessPath = path.replacing(/\*\*.*/, with: "")
+      return target.directoryURL
+        .appending(component: globlessPath, directoryHint: .inferFromPath)
         .resolvingSymlinksInPath()
     }
 
diff --git a/README.md b/README.md
index c9254a1..f37554c 100644
--- a/README.md
+++ b/README.md
@@ -29,7 +29,8 @@ Place your Tailwind CSS entrypoint file at `Tailwind.css` in your target. To int
 
 ```css
 @import "tailwindcss" source(none);
-@source "./Views";
+/* Note that as of writing, Tailwind doesn't scan .swift files by default, so you need to specify a glob pattern including the extension. */
+@source "./Views/**/*.swift";
 @source "./Template.swift";
 @source "./Static";
 ```
diff --git a/Sources/SwiftTailwindExample/Folder/Template.swift b/Sources/SwiftTailwindExample/Folder/Template.swift
new file mode 100644
index 0000000..61a9db7
--- /dev/null
+++ b/Sources/SwiftTailwindExample/Folder/Template.swift
@@ -0,0 +1,4 @@
+let template =
+"""
+<div class="bg-red-100">Test</div>
+"""
diff --git a/Sources/SwiftTailwindExample/Tailwind.css b/Sources/SwiftTailwindExample/Tailwind.css
index 8655d00..8fd853b 100644
--- a/Sources/SwiftTailwindExample/Tailwind.css
+++ b/Sources/SwiftTailwindExample/Tailwind.css
@@ -5,3 +5,4 @@
 @import "tailwindcss" source(none);
 @source "./Example.swift";
 @source "./Folder";
+@source "./Folder/**/*.swift";
diff --git a/Tests/SwiftTailwindTests/Tests.swift b/Tests/SwiftTailwindTests/Tests.swift
index 48f2835..008a9cf 100644
--- a/Tests/SwiftTailwindTests/Tests.swift
+++ b/Tests/SwiftTailwindTests/Tests.swift
@@ -17,6 +17,10 @@ struct SwiftTailwindExampleTests {
       generatedCSS?.contains("text-\\[\\#f05138\\]") == true,
       "Arbitary value class used in Test.html is generated."
     )
+    #expect(
+      generatedCSS?.contains("bg-red-100") == true,
+      "Arbitary value class used in Folder/Template.swift is generated."
+    )
     #expect(
       generatedCSS?.contains("bg-blue-500") == false,
       "Class not used is not generated."