diff --git a/libs/gui/IGraphicBufferProducer.cpp b/libs/gui/IGraphicBufferProducer.cpp
index d7a7885..8bdbc22 100644
--- a/libs/gui/IGraphicBufferProducer.cpp
+++ b/libs/gui/IGraphicBufferProducer.cpp
@@ -348,7 +348,7 @@
             uint32_t height = data.readUint32();
             PixelFormat format = static_cast<PixelFormat>(data.readInt32());
             uint32_t usage = data.readUint32();
-            int buf;
+            int buf = 0;
             sp<Fence> fence;
             int result = dequeueBuffer(&buf, &fence, async, width, height,
                     format, usage);
@@ -389,7 +389,7 @@
             CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
             sp<GraphicBuffer> buffer = new GraphicBuffer();
             data.read(*buffer.get());
-            int slot;
+            int slot = 0;
             int result = attachBuffer(&slot, buffer);
             reply->writeInt32(slot);
             reply->writeInt32(result);
@@ -416,7 +416,7 @@
         }
         case QUERY: {
             CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
-            int value;
+            int value = 0;
             int what = data.readInt32();
             int res = query(what, &value);
             reply->writeInt32(value);