diff --git a/plugins/GSdx/GSTextureCache.cpp b/plugins/GSdx/GSTextureCache.cpp
index 6e3c521a0d..5bdad3be2e 100644
--- a/plugins/GSdx/GSTextureCache.cpp
+++ b/plugins/GSdx/GSTextureCache.cpp
@@ -856,8 +856,8 @@ void GSTextureCache::InvalidateLocalMem(GSOffset* off, const GSVector4i& r)
 		if (m_can_convert_depth) {
 			for(auto t : m_dst[DepthStencil]) {
 				if(GSUtil::HasSharedBits(bp, psm, t->m_TEX0.TBP0, t->m_TEX0.PSM)) {
-					// Read the full depth buffer for easy testing
-					Read(t, t->m_valid);
+					if (GSUtil::HasCompatibleBits(psm, t->m_TEX0.PSM))
+						Read(t, r.rintersect(t->m_valid));
 				}
 			}
 		}