diff --git a/core/libs/prx/libSceAgcDriver/Graphics/src/State.cpp b/core/libs/prx/libSceAgcDriver/Graphics/src/State.cpp
index 089279da3..9b616a2dc 100644
--- a/core/libs/prx/libSceAgcDriver/Graphics/src/State.cpp
+++ b/core/libs/prx/libSceAgcDriver/Graphics/src/State.cpp
@@ -553,7 +553,9 @@ State DecodeState(const QueueState& queue) {
     const auto raster = read(cx, 0x205);
     // Bits 5-10 give the front/back polygon type (2 = filled triangles), which POLY_MODE (bit 3) turns on
     // explicitly; KEEP_TOGETHER_ENABLE (bit 24) only affects primitive distribution across the chip.
-    const auto rasterMode = raster & ~0x7u & ~(1u << 24u) & ~0x1800u;
+    const bool pointsOrLines = result.topology == VK_PRIMITIVE_TOPOLOGY_POINT_LIST || result.topology == VK_PRIMITIVE_TOPOLOGY_LINE_LIST;
+    const auto lineOffset = (raster & 0x1800u) != 0 && !pointsOrLines ? 0x2000u : 0u;
+    const auto rasterMode = raster & ~0x7u & ~(1u << 24u) & ~0x1800u & ~lineOffset;
     if (rasterMode != 0 && rasterMode != 0x240u && rasterMode != 0x248u) throw std::runtime_error("AGC graphics: " + zeroMessage(0x205, raster, "polygon mode, depth bias, provoking vertex or nonstandard rasterization"));
     result.cullMode = ((raster & 1u) != 0 ? VK_CULL_MODE_FRONT_BIT : 0u) | ((raster & 2u) != 0 ? VK_CULL_MODE_BACK_BIT : 0u);
     if (result.rectList) result.cullMode = VK_CULL_MODE_NONE;
diff --git a/core/libs/prx/libSceAgcDriver/tests/Graphics.cpp b/core/libs/prx/libSceAgcDriver/tests/Graphics.cpp
index 597409d3f..e04c75780 100644
--- a/core/libs/prx/libSceAgcDriver/tests/Graphics.cpp
+++ b/core/libs/prx/libSceAgcDriver/tests/Graphics.cpp
@@ -878,6 +878,13 @@ void DepthBoundsBiasTests() {
     queue.context[0x205] = 0x00001a4au;
     state = AgcDriver::Graphics::DecodeState(queue);
     Require(state.depthBias && state.depthBiasConstant == 4.0f, "culled back faces must not constrain the front depth bias");
+    queue.context[0x205] = 0x00003a46u;
+    state = AgcDriver::Graphics::DecodeState(queue);
+    Require(state.depthBias && state.depthBiasConstant == 4.0f && state.cullMode == VK_CULL_MODE_BACK_BIT, "a triangle draw with the point and line offset enable lost its depth bias");
+    queue.userConfig[0x242] = 2;
+    expectFailure([&] { AgcDriver::Graphics::DecodeState(queue); }, "polygon mode, depth bias, provoking vertex");
+    queue.userConfig[0x242] = 4;
+    queue.context[0x205] = 0x00001a4au;
     queue.context[0x2de] = 0x1f0u;
     expectFailure([&] { AgcDriver::Graphics::DecodeState(queue); }, "units other than the depth format");
     queue.context[0x2de] = 0x1e9u;