diff --git a/java/idea-ui/src/com/intellij/ide/projectWizard/ProjectTypeStep.java b/java/idea-ui/src/com/intellij/ide/projectWizard/ProjectTypeStep.java
index b9d03c0196bc..eb5eded96a2d 100644
--- a/java/idea-ui/src/com/intellij/ide/projectWizard/ProjectTypeStep.java
+++ b/java/idea-ui/src/com/intellij/ide/projectWizard/ProjectTypeStep.java
@@ -654,6 +654,9 @@ public final class ProjectTypeStep extends ModuleWizardStep implements SettingsS
     if (isFrameworksMode() && !myFrameworksPanel.validate()) {
       return false;
     }
+    if (myCustomSteps.get(myCurrentCard) instanceof ModuleWizardStep wizardStep) {
+      if (!wizardStep.validate()) return false;
+    }
     return super.validate();
   }
 
diff --git a/java/idea-ui/src/com/intellij/ide/starters/local/wizard/StarterInitialStep.kt b/java/idea-ui/src/com/intellij/ide/starters/local/wizard/StarterInitialStep.kt
index ad9f728d283a..05d7bca1513f 100644
--- a/java/idea-ui/src/com/intellij/ide/starters/local/wizard/StarterInitialStep.kt
+++ b/java/idea-ui/src/com/intellij/ide/starters/local/wizard/StarterInitialStep.kt
@@ -142,7 +142,9 @@ open class StarterInitialStep(contextProvider: StarterContextProvider) : CommonS
       addSampleCodeUi()
 
       addFieldsAfter(this)
-    }.withVisualPadding(topField = true)
+    }
+      .withVisualPadding(topField = true)
+      .apply { registerValidators(parentDisposable) }
   }
 
   override fun validate(): Boolean {
@@ -152,6 +154,9 @@ open class StarterInitialStep(contextProvider: StarterContextProvider) : CommonS
     if (!validateJdkIntentVersion(jdkIntentProperty, moduleBuilder.getMinJavaVersionInternal()?.toFeatureString(), moduleBuilder.presentableName)) {
       return false
     }
+    if (contentPanel.validateAll().isNotEmpty()) {
+      return false
+    }
     return true
   }
 
diff --git a/java/idea-ui/src/com/intellij/ide/starters/remote/wizard/WebStarterInitialStep.kt b/java/idea-ui/src/com/intellij/ide/starters/remote/wizard/WebStarterInitialStep.kt
index f8322d4ca7c2..f341e48f34f4 100644
--- a/java/idea-ui/src/com/intellij/ide/starters/remote/wizard/WebStarterInitialStep.kt
+++ b/java/idea-ui/src/com/intellij/ide/starters/remote/wizard/WebStarterInitialStep.kt
@@ -244,7 +244,9 @@ open class WebStarterInitialStep(contextProvider: WebStarterContextProvider) : C
       addSampleCodeUi()
 
       addFieldsAfter(this)
-    }.withVisualPadding()
+    }
+      .withVisualPadding()
+      .apply { registerValidators(parentDisposable) }
   }
 
   private fun createServerUrlLink(): ActionLink {
@@ -290,6 +292,10 @@ open class WebStarterInitialStep(contextProvider: WebStarterContextProvider) : C
       return false
     }
 
+    if (contentPanel.validateAll().isNotEmpty()) {
+      return false
+    }
+
     return checkServerOptionsLoaded()
   }