diff --git a/Package.swift b/Package.swift
index ee53167..3b587d5 100644
--- a/Package.swift
+++ b/Package.swift
@@ -2,29 +2,37 @@
 
 import PackageDescription
 
+var products: [Product] = [
+    .library(
+        name: "Logger",
+        targets: ["Logger"]),
+    .library(
+        name: "LoggerUI",
+        targets: ["LoggerUI"]),
+    .library(
+        name: "LoggerKit",
+        targets: ["LoggerKit"]),
+    .library(
+        name: "LoggerTestSupport",
+        targets: ["LoggerTestSupport"])
+]
+
+
+#if os(macOS)
+products.append(
+    .executable(
+        name: "LoggerExample",
+        targets: ["LoggerExample"]
+    )
+)
+#endif
+
 let package = Package(
     name: "Logger",
     platforms: [
         .macOS(.v10_13), .iOS(.v12), .tvOS(.v12), .watchOS(.v5)
     ],
-    products: [
-        .library(
-            name: "Logger",
-            targets: ["Logger"]),
-        .library(
-            name: "LoggerUI",
-            targets: ["LoggerUI"]),
-        .library(
-            name: "LoggerKit",
-            targets: ["LoggerKit"]),
-        .library(
-            name: "LoggerTestSupport",
-            targets: ["LoggerTestSupport"]),
-        .executable(
-            name: "LoggerExample",
-            targets: ["LoggerExample"]
-        )
-    ],
+    products: products,
     dependencies: [
     ],
     targets: [
@@ -49,6 +57,5 @@ let package = Package(
         .testTarget(
             name: "LoggerKitTests",
             dependencies: ["LoggerKit", "LoggerTestSupport"]),
-    ],
-    swiftLanguageVersions: [.v4_2]
+    ]
   )
diff --git a/Sources/Logger/Channel.swift b/Sources/Logger/Channel.swift
index 2295421..e4ab432 100644
--- a/Sources/Logger/Channel.swift
+++ b/Sources/Logger/Channel.swift
@@ -159,13 +159,16 @@ public class Channel {
     
     public func debug(_ logged : @autoclosure () -> Any, file: StaticString = #file, line: UInt = #line,  column: UInt = #column, function: StaticString = #function) {
         #if DEBUG
-        log(logged, file: file, line: line, column: column, function: function)
+        if (enabled) {
+            log(logged(), file: file, line: line, column: column, function: function)
+        }
         #endif
     }
 
     public func fatal(_ logged : @autoclosure () -> Any, file: StaticString = #file, line: UInt = #line,  column: UInt = #column, function: StaticString = #function) -> Never {
-        log(logged, file: file, line: line, column: column, function: function)
-        manager.fatalHandler(logged(), self, file, line)
+        let value = logged()
+        log(value, file: file, line: line, column: column, function: function)
+        manager.fatalHandler(value, self, file, line)
     }
 }