diff --git a/platform/src/main/java/org/teavm/platform/Platform.java b/platform/src/main/java/org/teavm/platform/Platform.java
index 6f6b02d1e..5ce1184b5 100644
--- a/platform/src/main/java/org/teavm/platform/Platform.java
+++ b/platform/src/main/java/org/teavm/platform/Platform.java
@@ -33,6 +33,8 @@ public final class Platform {
     private Platform() {
     }
 
+    private static boolean newInstancePrepared;
+
     @InjectedBy(PlatformGenerator.class)
     public static native PlatformObject getPlatformObject(Object obj);
 
@@ -85,7 +87,10 @@ public final class Platform {
     public static native int nextObjectId();
 
     public static <T> T newInstance(PlatformClass cls) {
-        prepareNewInstance();
+        if (!newInstancePrepared) {
+            prepareNewInstance();
+            newInstancePrepared = true;
+        }
         return newInstanceImpl(cls);
     }
 
diff --git a/platform/src/main/java/org/teavm/platform/plugin/PlatformGenerator.java b/platform/src/main/java/org/teavm/platform/plugin/PlatformGenerator.java
index bd9172362..4537f2ea7 100644
--- a/platform/src/main/java/org/teavm/platform/plugin/PlatformGenerator.java
+++ b/platform/src/main/java/org/teavm/platform/plugin/PlatformGenerator.java
@@ -117,9 +117,6 @@ public class PlatformGenerator implements Generator, Injector, DependencyPlugin
                         .appendMethodBody(method.getReference()).append(";").softNewLine();
             }
         }
-        writer.appendMethodBody(Platform.class, "newInstance", PlatformClass.class, Object.class).ws().append('=').ws()
-                .appendMethodBody(Platform.class, "newInstanceImpl", PlatformClass.class, Object.class)
-                .append(";").softNewLine();
     }
 
     private void generateNewInstance(GeneratorContext context, SourceWriter writer) throws IOException {