diff --git a/Core/MIPS/MIPSIntVFPU.cpp b/Core/MIPS/MIPSIntVFPU.cpp
index f8c0639ef5..9e072d11bc 100644
--- a/Core/MIPS/MIPSIntVFPU.cpp
+++ b/Core/MIPS/MIPSIntVFPU.cpp
@@ -525,7 +525,7 @@ namespace MIPSInt
 			case 20: d[i] = powf(2.0f, s[i]); break; //vexp2
 			case 21: d[i] = logf(s[i])/log(2.0f); break; //vlog2
 			case 22: d[i] = fabsf(sqrtf(s[i])); break; //vsqrt
-			case 23: d[i] = asinf(s[i] * (float)M_2_PI); break; //vasin
+			case 23: d[i] = asinf(s[i]) / M_PI_2; break; //vasin
 			case 24: d[i] = -1.0f / s[i]; break; // vnrcp
 			case 26: d[i] = -sinf((float)M_PI_2 * s[i]); break; // vnsin
 			case 28: d[i] = 1.0f / powf(2.0, s[i]); break; // vrexp2
diff --git a/pspautotests b/pspautotests
index f5ba2a00a0..8149a0b9af 160000
--- a/pspautotests
+++ b/pspautotests
@@ -1 +1 @@
-Subproject commit f5ba2a00a0fff7df36e2488cc29a756a37e1e28b
+Subproject commit 8149a0b9afda4757e01f511686f49b247cadf793