diff --git a/GPU/GLES/GLES_GPU.cpp b/GPU/GLES/GLES_GPU.cpp
index c15ad34c1b..abe3c2406f 100644
--- a/GPU/GLES/GLES_GPU.cpp
+++ b/GPU/GLES/GLES_GPU.cpp
@@ -647,7 +647,13 @@ void GLES_GPU::ExecuteOp(u32 op, u32 diff) {
 			GEPrimitiveType prim = static_cast<GEPrimitiveType>(data >> 16);
 
 			// Discard AA lines as we can't do anything that makes sense with these anyway. The SW plugin might, though.
-			if ((prim == GE_PRIM_LINE_STRIP || prim == GE_PRIM_LINES) && (gstate.antiAliasEnable & 1))
+			
+			// Discard AA lines in DOA
+			if ((prim == GE_PRIM_LINE_STRIP) && (gstate.antiAliasEnable & 1))
+				break;
+
+			// Discard AA lines in Summon Night 5
+			if ((prim == GE_PRIM_LINES) && (gstate.antiAliasEnable & 1) && gstate.isSkinningEnabled())
 				break;
 
 			// This also make skipping drawing very effective.