diff --git a/build.gradle b/build.gradle
index cf10bd7..cbc0418 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@ apply plugin: 'idea'
 
 defaultTasks 'clean', 'build'
 
-version = '1.0.3'
+version = '1.0.4'
 group = 'com.eriwen'
 ext.archivesBaseName = 'gradle-js-plugin'
 ext.isSnapshot = version.endsWith("-SNAPSHOT")
diff --git a/plugin.gradle b/plugin.gradle
index 9cc46b2..c6540b5 100644
--- a/plugin.gradle
+++ b/plugin.gradle
@@ -4,7 +4,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath 'com.eriwen:gradle-js-plugin:1.0.3'
+        classpath 'com.eriwen:gradle-js-plugin:1.0.4'
     }
 }
 
@@ -31,7 +31,7 @@ task clean(type: Delete) {
 // Combine JS files
 task combine(type: com.eriwen.gradle.js.tasks.CombineJsTask) {
     source = javascript.source.custom.js.files
-    dest = file("${buildDir}/all.js")
+    dest = "${buildDir}/all.js"
 }
 
 // Minify with Google Closure Compiler
@@ -52,17 +52,17 @@ def version = "1.7.2"
 // GZip it!
 task gzip(type: com.eriwen.gradle.js.tasks.GzipJsTask) {
     source = minify
-    dest = file("${buildDir}/all-${version}.min.js")
+    dest = "${buildDir}/all-${version}.min.js"
 }
 
 task jshintz(type: com.eriwen.gradle.js.tasks.JsHintTask) {
     source = javascript.source.custom.js.files
-    dest = file("${buildDir}/jshint.out")
+    dest = "${buildDir}/jshint.out"
 }
 
 task jsdocz(type: com.eriwen.gradle.js.tasks.JsDocTask) {
     source = javascript.source.custom.js.files
-    destinationDir = file("${buildDir}/jsdoc")
+    destinationDir = "${buildDir}/jsdoc"
 }
 
 task props(type: com.eriwen.gradle.js.tasks.Props2JsTask) {
diff --git a/src/main/groovy/com/eriwen/gradle/js/tasks/CombineJsTask.groovy b/src/main/groovy/com/eriwen/gradle/js/tasks/CombineJsTask.groovy
index 774c4fd..cec791b 100644
--- a/src/main/groovy/com/eriwen/gradle/js/tasks/CombineJsTask.groovy
+++ b/src/main/groovy/com/eriwen/gradle/js/tasks/CombineJsTask.groovy
@@ -20,11 +20,15 @@ import org.gradle.api.tasks.OutputFile
 import org.gradle.api.tasks.SourceTask
 
 class CombineJsTask extends SourceTask {
-    @OutputFile File dest
+    @OutputFile def dest
+
+    File getDest() {
+        project.file(dest)
+    }
 
     @TaskAction
     def run() {
-        ant.concat(destfile: dest.canonicalPath, fixlastline: 'yes') {
+        ant.concat(destfile: (dest as File).canonicalPath, fixlastline: 'yes') {
             source.files.each {
                 logger.info("Adding to fileset: ${it}")
                 fileset(file: it)
diff --git a/src/main/groovy/com/eriwen/gradle/js/tasks/GzipJsTask.groovy b/src/main/groovy/com/eriwen/gradle/js/tasks/GzipJsTask.groovy
index 03df8ae..c954801 100644
--- a/src/main/groovy/com/eriwen/gradle/js/tasks/GzipJsTask.groovy
+++ b/src/main/groovy/com/eriwen/gradle/js/tasks/GzipJsTask.groovy
@@ -20,12 +20,16 @@ import org.gradle.api.tasks.SourceTask
 import org.gradle.api.tasks.TaskAction
 
 class GzipJsTask extends SourceTask {
-    @OutputFile File dest
+    @OutputFile def dest
+
+    File getDest() {
+        project.file(dest)
+    }
 
     @TaskAction
     def run() {
         final String srcPath = source.singleFile.canonicalPath
         ant.gzip(src: srcPath, destfile: "${srcPath}.gz")
-        ant.move(file: "${srcPath}.gz", tofile: dest.canonicalPath)
+        ant.move(file: "${srcPath}.gz", tofile: (dest as File).canonicalPath)
     }
 }
diff --git a/src/main/groovy/com/eriwen/gradle/js/tasks/JsDocTask.groovy b/src/main/groovy/com/eriwen/gradle/js/tasks/JsDocTask.groovy
index 820c916..3f1634c 100644
--- a/src/main/groovy/com/eriwen/gradle/js/tasks/JsDocTask.groovy
+++ b/src/main/groovy/com/eriwen/gradle/js/tasks/JsDocTask.groovy
@@ -30,8 +30,11 @@ class JsDocTask extends SourceTask {
     Iterable<String> modulePaths = ['node_modules', 'rhino_modules', '.']
     Boolean debug = false
 
-    @OutputDirectory
-    File destinationDir
+    @OutputDirectory def destinationDir
+
+    File getDestinationDir() {
+        project.file(destinationDir)
+    }
 
     @TaskAction
     def run() {
@@ -48,7 +51,7 @@ class JsDocTask extends SourceTask {
         }
         args.add("${workingDir}${File.separator}jsdoc.js")
         args.addAll(source.files.collect { it.canonicalPath })
-        args.addAll(['-d', destinationDir.absolutePath])
+        args.addAll(['-d', (destinationDir as File).absolutePath])
         args.addAll(project.jsdoc.options.collect { it })
 
         rhino.execute(args, [workingDir: workingDir])
diff --git a/src/main/groovy/com/eriwen/gradle/js/tasks/JsHintTask.groovy b/src/main/groovy/com/eriwen/gradle/js/tasks/JsHintTask.groovy
index 42b19de..762c66c 100644
--- a/src/main/groovy/com/eriwen/gradle/js/tasks/JsHintTask.groovy
+++ b/src/main/groovy/com/eriwen/gradle/js/tasks/JsHintTask.groovy
@@ -27,7 +27,11 @@ class JsHintTask extends SourceTask {
     private static final ResourceUtil RESOURCE_UTIL = new ResourceUtil()
     private final RhinoExec rhino = new RhinoExec(project)
 
-    @OutputFile File dest;
+    @OutputFile def dest
+
+    File getDest() {
+        project.file(dest)
+    }
 
     @TaskAction
     def run() {
@@ -35,6 +39,6 @@ class JsHintTask extends SourceTask {
                 new File(project.buildDir, TMP_DIR), JSHINT_PATH)
         final List<String> args = [jshintJsFile.canonicalPath]
         args.addAll(source.files.collect { it.canonicalPath })
-        rhino.execute(args, [ignoreExitCode: true, out: new FileOutputStream(dest)])
+        rhino.execute(args, [ignoreExitCode: true, out: new FileOutputStream(dest as File)])
     }
 }
diff --git a/src/main/groovy/com/eriwen/gradle/js/tasks/MinifyJsTask.groovy b/src/main/groovy/com/eriwen/gradle/js/tasks/MinifyJsTask.groovy
index 4245171..8fc82d1 100644
--- a/src/main/groovy/com/eriwen/gradle/js/tasks/MinifyJsTask.groovy
+++ b/src/main/groovy/com/eriwen/gradle/js/tasks/MinifyJsTask.groovy
@@ -24,12 +24,16 @@ import org.gradle.api.tasks.TaskAction
 class MinifyJsTask extends SourceTask {
     private static final JsMinifier MINIFIER = new JsMinifier()
 
-    @OutputFile File dest
+    @OutputFile def dest
+
+    File getDest() {
+        project.file(dest)
+    }
 
     @TaskAction
     def run() {
         Set<File> externsFiles = project.closure.externs ? project.closure.externs.files : [] as Set<File>
-        MINIFIER.minifyJsFile(source.singleFile, externsFiles, dest,
+        MINIFIER.minifyJsFile(source.singleFile, externsFiles, dest as File,
                 project.closure.compilerOptions, project.closure.warningLevel, project.closure.compilationLevel)
     }
 }
diff --git a/src/main/groovy/com/eriwen/gradle/js/tasks/Props2JsTask.groovy b/src/main/groovy/com/eriwen/gradle/js/tasks/Props2JsTask.groovy
index b53f331..3d4ec22 100644
--- a/src/main/groovy/com/eriwen/gradle/js/tasks/Props2JsTask.groovy
+++ b/src/main/groovy/com/eriwen/gradle/js/tasks/Props2JsTask.groovy
@@ -27,8 +27,11 @@ class Props2JsTask extends SourceTask {
     private static final ResourceUtil RESOURCE_UTIL = new ResourceUtil()
     private static final Set<String> AVAILABLE_TYPES = ['js', 'json', 'jsonp']
 
-    @OutputFile
-    File dest
+    @OutputFile def dest
+
+    File getDest() {
+        project.file(dest)
+    }
 
     @TaskAction
     def run() {
@@ -53,7 +56,7 @@ class Props2JsTask extends SourceTask {
         if (functionName) {
             props2JsArgs.addAll(['--name', functionName])
         }
-        props2JsArgs.addAll(['-o', dest.canonicalPath])
+        props2JsArgs.addAll(['-o', (dest as File).canonicalPath])
         project.javaexec {
             main = '-jar'
             args = props2JsArgs