diff --git a/pcsx2/GS/Renderers/DX11/GSRendererDX11.cpp b/pcsx2/GS/Renderers/DX11/GSRendererDX11.cpp
index 768a4aea75..8b26b0333e 100644
--- a/pcsx2/GS/Renderers/DX11/GSRendererDX11.cpp
+++ b/pcsx2/GS/Renderers/DX11/GSRendererDX11.cpp
@@ -442,8 +442,12 @@ void GSRendererDX11::EmulateBlending()
 {
 	// Partial port of OGL SW blending. Currently only works for accumulation and non recursive blend.
 
+	// AA1: Don't enable blending on AA1, not yet implemented on hardware mode,
+	// it requires coverage sample so it's safer to turn it off instead.
+	const bool aa1 = PRIM->AA1 && (m_vt.m_primclass == GS_LINE_CLASS);
+
 	// No blending so early exit
-	if (!(PRIM->ABE || m_env.PABE.PABE))
+	if (aa1 || !(PRIM->ABE || m_env.PABE.PABE))
 		return;
 
 	m_om_bsel.abe = 1;
diff --git a/pcsx2/GS/Renderers/OpenGL/GSRendererOGL.cpp b/pcsx2/GS/Renderers/OpenGL/GSRendererOGL.cpp
index 0ca565100c..94bed7d901 100644
--- a/pcsx2/GS/Renderers/OpenGL/GSRendererOGL.cpp
+++ b/pcsx2/GS/Renderers/OpenGL/GSRendererOGL.cpp
@@ -464,8 +464,12 @@ void GSRendererOGL::EmulateBlending(bool& DATE_GL42, bool& DATE_GL45)
 {
 	GSDeviceOGL* dev = (GSDeviceOGL*)m_dev;
 
+	// AA1: Don't enable blending on AA1, not yet implemented on hardware mode,
+	// it requires coverage sample so it's safer to turn it off instead.
+	const bool aa1 = PRIM->AA1 && (m_vt.m_primclass == GS_LINE_CLASS);
+
 	// No blending so early exit
-	if (!(PRIM->ABE || m_env.PABE.PABE))
+	if (aa1 || !(PRIM->ABE || m_env.PABE.PABE))
 	{
 		dev->OMSetBlendState();
 		return;