diff --git a/Source/Core/VideoBackends/Software/TextureEncoder.cpp b/Source/Core/VideoBackends/Software/TextureEncoder.cpp
index 5ca84558dd..f93e1716d5 100644
--- a/Source/Core/VideoBackends/Software/TextureEncoder.cpp
+++ b/Source/Core/VideoBackends/Software/TextureEncoder.cpp
@@ -221,7 +221,7 @@ static void SetSpans(int sBlkSize, int tBlkSize, s32* tSpan, s32* sBlkSpan, s32*
 {
   // width is 1 less than the number of pixels of width
   u32 width = bpmem.copyTexSrcWH.x >> bpmem.triggerEFBCopy.half_scale;
-  u32 alignedWidth = Common::AlignUp(width, sBlkSize);
+  u32 alignedWidth = Common::AlignUp(width + 1, sBlkSize);
 
   u32 readStride = 3 << bpmem.triggerEFBCopy.half_scale;