diff --git a/libgralloc/gpu.cpp b/libgralloc/gpu.cpp
index e7549c6..7f9182f 100644
--- a/libgralloc/gpu.cpp
+++ b/libgralloc/gpu.cpp
@@ -200,7 +200,7 @@ int gpu_context_t::alloc_impl(int w, int h, int format, int usage,
 
     if ((ssize_t)size <= 0)
         return -EINVAL;
-    size = (bufferSize >= size)? bufferSize : size;
+    size = (bufferSize != 0)? bufferSize : size;
 
     // All buffers marked as protected or for external
     // display need to go to overlay