diff --git a/pcsx2/GS/Renderers/OpenGL/GSDeviceOGL.cpp b/pcsx2/GS/Renderers/OpenGL/GSDeviceOGL.cpp
index 24b045526b..3225393189 100644
--- a/pcsx2/GS/Renderers/OpenGL/GSDeviceOGL.cpp
+++ b/pcsx2/GS/Renderers/OpenGL/GSDeviceOGL.cpp
@@ -2360,11 +2360,14 @@ void GSDeviceOGL::RenderHW(GSHWDrawConfig& config)
 			glDisable(GL_PROGRAM_POINT_SIZE);
 		GLState::point_size = point_size_enabled;
 	}
-	const float line_width = config.line_expand ? static_cast<float>(GSConfig.UpscaleMultiplier) : 1.0f;
-	if (GLState::line_width != line_width)
+	if (config.topology == GSHWDrawConfig::Topology::Line)
 	{
-		GLState::line_width = line_width;
-		glLineWidth(line_width);
+		const float line_width = config.line_expand ? config.cb_ps.ScaleFactor.z : 1.0f;
+		if (GLState::line_width != line_width)
+		{
+			GLState::line_width = line_width;
+			glLineWidth(line_width);
+		}
 	}
 
 	if (config.destination_alpha == GSHWDrawConfig::DestinationAlphaMode::PrimIDTracking)
diff --git a/pcsx2/GS/Renderers/Vulkan/GSDeviceVK.cpp b/pcsx2/GS/Renderers/Vulkan/GSDeviceVK.cpp
index 2dc58c356e..c42f87b379 100644
--- a/pcsx2/GS/Renderers/Vulkan/GSDeviceVK.cpp
+++ b/pcsx2/GS/Renderers/Vulkan/GSDeviceVK.cpp
@@ -3618,7 +3618,7 @@ void GSDeviceVK::RenderHW(GSHWDrawConfig& config)
 		SetBlendConstants(config.blend.constant);
 
 	if (config.topology == GSHWDrawConfig::Topology::Line)
-		SetLineWidth(config.cb_ps.ScaleFactor.z);
+		SetLineWidth(config.line_expand ? config.cb_ps.ScaleFactor.z : 1.0f);
 
 	// Primitive ID tracking DATE setup.
 	GSTextureVK* date_image = nullptr;