diff --git a/pcsx2/GS/Renderers/SW/GSDrawScanlineCodeGenerator.x86.avx2.cpp b/pcsx2/GS/Renderers/SW/GSDrawScanlineCodeGenerator.x86.avx2.cpp
index e1b46aa7fa..2e7a8fcbc6 100644
--- a/pcsx2/GS/Renderers/SW/GSDrawScanlineCodeGenerator.x86.avx2.cpp
+++ b/pcsx2/GS/Renderers/SW/GSDrawScanlineCodeGenerator.x86.avx2.cpp
@@ -17,6 +17,7 @@
 #include "GSDrawScanlineCodeGenerator.h"
 #include "GSVertexSW.h"
 #include "../../GS_codegen.h"
+#include "../../GSVector.h"
 
 #if _M_SSE >= 0x501 && !(defined(_M_AMD64) || defined(_WIN64))