diff --git a/Common/VR/PPSSPPVR.cpp b/Common/VR/PPSSPPVR.cpp
index 92a187d390..92e00f898a 100644
--- a/Common/VR/PPSSPPVR.cpp
+++ b/Common/VR/PPSSPPVR.cpp
@@ -661,7 +661,7 @@ void UpdateVRParams(float* projMatrix, float* viewMatrix) {
 		vrMirroring[VR_MIRRORING_AXIS_Z] =  projMatrix[10] > 0;
 
 		float up = 0;
-		for (int i = 4; i < 8;  i++) {
+		for (int i = 4; i < 7;  i++) {
 			up += viewMatrix[i];
 		}
 
@@ -671,30 +671,30 @@ void UpdateVRParams(float* projMatrix, float* viewMatrix) {
 		variant += (up < 0) << 3;
 
 		switch (variant) {
-			case 0:
-			case 1:
+			case 0: //e.g. ATV
+			case 1: //untested
 				vrMirroring[VR_MIRRORING_PITCH] = false;
 				vrMirroring[VR_MIRRORING_YAW] = true;
 				vrMirroring[VR_MIRRORING_ROLL] = true;
 				break;
-			case 2:
-			case 3:
-			case 5:
-			case 7:
-			case 8:
-			case 9:
-			case 10:
-			case 11:
-			case 13:
-			case 15:
+			case 2: //e.g.PES 2014
+			case 3: //untested
+			case 5: //e.g Dante's Inferno
+			case 7: //untested
+			case 8: //untested
+			case 9: //untested
+			case 10: //untested
+			case 11: //untested
+			case 13: //untested
+			case 15: //untested
 				vrMirroring[VR_MIRRORING_PITCH] = true;
 				vrMirroring[VR_MIRRORING_YAW] = true;
 				vrMirroring[VR_MIRRORING_ROLL] = false;
 				break;
-			case 4:
-			case 6:
-			case 12:
-			case 14:
+			case 4: //e.g. Assassins Creed
+			case 6: //e.g. Ghost in the shell
+			case 12: //e.g. GTA Vice City
+			case 14: //untested
 				vrMirroring[VR_MIRRORING_PITCH] = true;
 				vrMirroring[VR_MIRRORING_YAW] = false;
 				vrMirroring[VR_MIRRORING_ROLL] = true;