diff --git a/GPU/Common/SplineCommon.cpp b/GPU/Common/SplineCommon.cpp
index b8f5a0688e..b7238947e3 100644
--- a/GPU/Common/SplineCommon.cpp
+++ b/GPU/Common/SplineCommon.cpp
@@ -184,6 +184,8 @@ void  _SplinePatchFullQuality(u8 *&dest, int &count, const SplinePatchLocal &spa
 	// JPCSP is wrong at least because their method results in square loco roco.
 	int patch_div_s = (spatch.count_u - 3) * gstate.getPatchDivisionU();
 	int patch_div_t = (spatch.count_v - 3) * gstate.getPatchDivisionV();
+	if (patch_div_s >= 4) patch_div_s /= quality;
+	if (patch_div_t >= 4) patch_div_t /= quality;
 
 	if (patch_div_s <= 0) patch_div_s = 1;
 	if (patch_div_t <= 0) patch_div_t = 1;