diff --git a/jdk/src/java.desktop/windows/native/libawt/windows/awt_Font.cpp b/jdk/src/java.desktop/windows/native/libawt/windows/awt_Font.cpp
index 2e7c77952e4..b7e63628c2a 100644
--- a/jdk/src/java.desktop/windows/native/libawt/windows/awt_Font.cpp
+++ b/jdk/src/java.desktop/windows/native/libawt/windows/awt_Font.cpp
@@ -640,7 +640,7 @@ SIZE AwtFont::TextSize(AwtFont* font, int columns, int rows)
 int AwtFont::getFontDescriptorNumber(JNIEnv *env, jobject font,
                                      jobject fontDescriptor)
 {
-    int i, num;
+    int i, num = 0;
     jobject refFontDescriptor;
     jobjectArray array;