diff --git a/platform/build-scripts/groovy/org/jetbrains/intellij/build/WindowsDistributionCustomizer.groovy b/platform/build-scripts/groovy/org/jetbrains/intellij/build/WindowsDistributionCustomizer.groovy
index bac9d3096d04..77060f752772 100644
--- a/platform/build-scripts/groovy/org/jetbrains/intellij/build/WindowsDistributionCustomizer.groovy
+++ b/platform/build-scripts/groovy/org/jetbrains/intellij/build/WindowsDistributionCustomizer.groovy
@@ -75,7 +75,7 @@ abstract class WindowsDistributionCustomizer {
   /**
    * Path to silent.config which contains set of properties to manage UI options to install product in silent mode
    */
-  String silentInstallationConfig = ""
+  String silentInstallationConfig = null
 
   /**
    * Name of the root directory in Windows .zip archive
diff --git a/platform/build-scripts/groovy/org/jetbrains/intellij/build/impl/WinExeInstallerBuilder.groovy b/platform/build-scripts/groovy/org/jetbrains/intellij/build/impl/WinExeInstallerBuilder.groovy
index 66a0e332a0f2..c24c70ffeee6 100644
--- a/platform/build-scripts/groovy/org/jetbrains/intellij/build/impl/WinExeInstallerBuilder.groovy
+++ b/platform/build-scripts/groovy/org/jetbrains/intellij/build/impl/WinExeInstallerBuilder.groovy
@@ -38,23 +38,27 @@ class WinExeInstallerBuilder {
   }
 
   private void generateInstallationConfigFileForSilentMode() {
-    if (new File(customizer.silentInstallationConfig).exists()) {
-      def extensionsList = customizer.fileAssociations
-      String associations = "; List of associations. To create an association change value to 1.\n"
-      if (! extensionsList.isEmpty()) {
-        for (int i = 0; i < extensionsList.size(); i++) {
-          associations += extensionsList.get(i) + "=0\n"
+    if (customizer.silentInstallationConfig != null) {
+      if (new File(customizer.silentInstallationConfig).exists()) {
+        def extensionsList = customizer.fileAssociations
+        String associations = "; List of associations. To create an association change value to 1.\n"
+        if (! extensionsList.isEmpty()) {
+          for (int i = 0; i < extensionsList.size(); i++) {
+            associations += extensionsList.get(i) + "=0\n"
+          }
+        } else {
+          associations = "; There are no associations for the product.\n"
         }
-      } else {
-        associations = "; There are no associations for the product.\n"
-      }
-      buildContext.messages.info(associations)
-      buildContext.ant.copy(todir: "${buildContext.paths.artifacts}") {
-        fileset(file: customizer.silentInstallationConfig)
-        filterset(begintoken: "@@", endtoken: "@@") {
-          filter(token: "List of associations", value: associations)
+        buildContext.messages.info(associations)
+        buildContext.ant.copy(todir: "${buildContext.paths.artifacts}") {
+          fileset(file: customizer.silentInstallationConfig)
+          filterset(begintoken: "@@", endtoken: "@@") {
+            filter(token: "List of associations", value: associations)
+          }
         }
       }
+    } else {
+        buildContext.messages.warning("Silent config file for Windows installer won't be generated because it is not defined.")
     }
   }