diff --git a/src/java.desktop/windows/native/libawt/java2d/d3d/D3DGraphicsDevice.cpp b/src/java.desktop/windows/native/libawt/java2d/d3d/D3DGraphicsDevice.cpp
index b20bd9c278d..2e7e5c33ff1 100644
--- a/src/java.desktop/windows/native/libawt/java2d/d3d/D3DGraphicsDevice.cpp
+++ b/src/java.desktop/windows/native/libawt/java2d/d3d/D3DGraphicsDevice.cpp
@@ -98,7 +98,7 @@ JNIEXPORT jstring JNICALL Java_sun_java2d_d3d_D3DGraphicsDevice_getDeviceIdNativ
 
     jstring ret = JNU_NewStringPlatform(env, pAdapterId);
 
-    delete pAdapterId;
+    delete[] pAdapterId;
 
     return ret;
 }