diff --git a/renderdoc/driver/d3d11/d3d11_analyse.cpp b/renderdoc/driver/d3d11/d3d11_analyse.cpp
index 9fca9620f..58db238d7 100644
--- a/renderdoc/driver/d3d11/d3d11_analyse.cpp
+++ b/renderdoc/driver/d3d11/d3d11_analyse.cpp
@@ -4064,7 +4064,7 @@ vector<PixelModification> D3D11DebugManager::PixelHistory(uint32_t frameID, vect
 
 			for(int p=0; p < 2; p++)
 			{
-				byte *data = rowdata + fmt.compCount * fmt.compByteWidth * (storex + p) * pixstoreStride;
+				byte *data = rowdata + fmt.compCount * fmt.compByteWidth * (storex * pixstoreStride + p);
 
 				ModificationValue *val = (p == 0 ? &mod.preMod : &mod.postMod);