diff --git a/jps/src/org/jetbrains/jps/PathUtil.groovy b/jps/src/org/jetbrains/jps/PathUtil.groovy
new file mode 100644
index 000000000000..eb50aa913e18
--- /dev/null
+++ b/jps/src/org/jetbrains/jps/PathUtil.groovy
@@ -0,0 +1,10 @@
+package org.jetbrains.jps
+
+/**
+ * @author nik
+ */
+class PathUtil {
+  static String toSystemIndependentPath(String path) {
+    return path.replace('\\', '/')
+  }
+}
diff --git a/jps/src/org/jetbrains/jps/idea/IdeaProjectLoader.groovy b/jps/src/org/jetbrains/jps/idea/IdeaProjectLoader.groovy
index e16eb5045491..085e735359a3 100644
--- a/jps/src/org/jetbrains/jps/idea/IdeaProjectLoader.groovy
+++ b/jps/src/org/jetbrains/jps/idea/IdeaProjectLoader.groovy
@@ -367,8 +367,8 @@ public class IdeaProjectLoader {
             if (projectOutputPath == null) {
               project.error("Module '$currentModuleName' uses output path inherited from project but project output path is not specified")
             }
-            currentModule.outputPath = new File(new File(projectOutputPath, "production"), currentModuleName).absolutePath
-            currentModule.testOutputPath = new File(new File(projectOutputPath, "test"), currentModuleName).absolutePath
+            currentModule.outputPath = PathUtil.toSystemIndependentPath(new File(new File(projectOutputPath, "production"), currentModuleName).absolutePath)
+            currentModule.testOutputPath = PathUtil.toSystemIndependentPath(new File(new File(projectOutputPath, "test"), currentModuleName).absolutePath)
           }
           else {
             currentModule.outputPath = moduleMacroExpander.expandMacros(IdeaProjectLoadingUtil.pathFromUrl(componentTag.output[0]?.@url))
diff --git a/jps/src/org/jetbrains/jps/idea/ProjectMacroExpander.groovy b/jps/src/org/jetbrains/jps/idea/ProjectMacroExpander.groovy
index 380f79393468..5d8a68c9e524 100644
--- a/jps/src/org/jetbrains/jps/idea/ProjectMacroExpander.groovy
+++ b/jps/src/org/jetbrains/jps/idea/ProjectMacroExpander.groovy
@@ -1,6 +1,7 @@
 package org.jetbrains.jps.idea
 
 import org.jetbrains.jps.MacroExpander
+import org.jetbrains.jps.PathUtil
 
 /**
  * @author nik
@@ -11,7 +12,7 @@ public class ProjectMacroExpander implements MacroExpander {
 
   ProjectMacroExpander(Map<String, String> pathVariables, String projectBasePath) {
     this.pathVariables = pathVariables
-    this.projectBasePath = projectBasePath
+    this.projectBasePath = PathUtil.toSystemIndependentPath(projectBasePath)
   }
 
   @Override
diff --git a/jps/testSrc/org/jetbrains/jps/AntPrePostStepsInArtifactsTest.groovy b/jps/testSrc/org/jetbrains/jps/AntPrePostStepsInArtifactsTest.groovy
index 1fc24ca7a073..ccd3de3d740b 100644
--- a/jps/testSrc/org/jetbrains/jps/AntPrePostStepsInArtifactsTest.groovy
+++ b/jps/testSrc/org/jetbrains/jps/AntPrePostStepsInArtifactsTest.groovy
@@ -18,7 +18,7 @@ class AntPrePostStepsInArtifactsTest extends JpsBuildTestCase {
             file("file.txt")
           }
           file("prestep.txt", "pre1")
-          file("poststep.txt", "$outDir.absolutePath/artifacts/main")
+          file("poststep.txt", "${PathUtil.toSystemIndependentPath(outDir.absolutePath)}/artifacts/main")
         }
       }
     }