diff --git a/build.gradle b/build.gradle
index ece2000..25e9bff 100644
--- a/build.gradle
+++ b/build.gradle
@@ -10,34 +10,34 @@ mainClassName = 'com.webcodepro.applecommander.ui.AppleCommander'
 
 // Configure build for each supported platform
 ext {
-	os = System.getProperty("os.name").toLowerCase()
-	arch = System.getProperty("os.arch").toLowerCase()
+    os = System.getProperty("os.name").toLowerCase()
+    arch = System.getProperty("os.arch").toLowerCase()
 
-	// First let's sanitize arch
-	if (arch.contains("amd64")) {
-		swtArch = "x86_64"
-	} else if (arch.matches("i[3-6]86]")) {
-		swtArch = "x86"
-	} else {
-		swtArch = arch
-	}
+    // First let's sanitize arch
+    if (arch.contains("amd64")) {
+        swtArch = "x86_64"
+    } else if (arch.matches("i[3-6]86]")) {
+        swtArch = "x86"
+    } else {
+        swtArch = arch
+    }
 
-	if (os.contains("windows")) {
-		swtGUI = "win32.win32.$swtArch"
-	} else if (os.contains("mac os x")) {
-		swtGUI = "cocoa.macosx.$swtArch"
-	} else if (os.contains("linux")) {
-		swtGUI = "gtk.linux.$swtArch"
-	} else {
-		throw new GradleException("Don't know how to build for this platform:\n" +
-				"      os = \"$os\"\n" +
-				"    arch = \"$arch\"\n\n" +
-				"Edit build.gradle to add support")
-		/* At least you'll need to define swtGUI for your os and
-		 * probably your arch too.  Most SWT backend GUI descriptions
-		 * take the form of <widgetset>.<os-tag>.<arch>.
-		 */
-	}
+    if (os.contains("windows")) {
+        swtGUI = "win32.win32.$swtArch"
+    } else if (os.contains("mac os x")) {
+        swtGUI = "cocoa.macosx.$swtArch"
+    } else if (os.contains("linux")) {
+        swtGUI = "gtk.linux.$swtArch"
+    } else {
+        throw new GradleException("Don't know how to build for this platform:\n" +
+                "      os = \"$os\"\n" +
+                "    arch = \"$arch\"\n\n" +
+                "Edit build.gradle to add support")
+        /* At least you'll need to define swtGUI for your os and
+         * probably your arch too.  Most SWT backend GUI descriptions
+         * take the form of <widgetset>.<os-tag>.<arch>.
+         */
+    }
 }