diff --git a/instrs.txt b/instrs.txt
index a141f2f..cbe7548 100644
--- a/instrs.txt
+++ b/instrs.txt
@@ -924,13 +924,13 @@ VEX.NP.LIG.0f2f       RM    XMM32  XMM32  -      -      VCOMISS
 VEX.66.LIG.0f2f       RM    XMM64  XMM64  -      -      VCOMISD
 VEX.NP.0f50/r         RM    GP     XMM    -      -      VMOVMSKPS DEF64
 VEX.66.0f50/r         RM    GP     XMM    -      -      VMOVMSKPD DEF64
-VEX.NP.0f51           RVM   XMM    XMM    XMM    -      VSQRTPS
-VEX.66.0f51           RVM   XMM    XMM    XMM    -      VSQRTPD
+VEX.NP.0f51           RM    XMM    XMM    -      -      VSQRTPS
+VEX.66.0f51           RM    XMM    XMM    -      -      VSQRTPD
 VEX.F3.LIG.0f51       RVM   XMM128 XMM128 XMM32  -      VSQRTSS
 VEX.F2.LIG.0f51       RVM   XMM128 XMM128 XMM64  -      VSQRTSD
-VEX.NP.0f52           RVM   XMM    XMM    XMM    -      VRSQRTPS
+VEX.NP.0f52           RM    XMM    XMM    -      -      VRSQRTPS
 VEX.F3.LIG.0f52       RVM   XMM128 XMM128 XMM32  -      VRSQRTSS
-VEX.NP.0f53           RVM   XMM    XMM    XMM    -      VRCPPS
+VEX.NP.0f53           RM    XMM    XMM    -      -      VRCPPS
 VEX.F3.LIG.0f53       RVM   XMM128 XMM128 XMM32  -      VRCPSS
 VEX.NP.0f54           RVM   XMM    XMM    XMM    -      VANDPS
 VEX.66.0f54           RVM   XMM    XMM    XMM    -      VANDPD
diff --git a/tests/test_decode.c b/tests/test_decode.c
index 548f418..3bc03c7 100644
--- a/tests/test_decode.c
+++ b/tests/test_decode.c
@@ -418,6 +418,7 @@ main(int argc, char** argv)
     TEST("\xc5\xf2\x2a\xc0", "vcvtsi2ss xmm0, xmm1, eax");
     TEST32("\xc4\xe1\xf2\x2a\xc0", "vcvtsi2ss xmm0, xmm1, eax");
     TEST64("\xc4\xe1\xf2\x2a\xc0", "vcvtsi2ss xmm0, xmm1, rax");
+    TEST("\xc5\xf8\x53\xc0", "vrcpps xmm0, xmm0");
 
     TEST("\xc4\xe3\x79\x14\xc0\x00", "vpextrb eax, xmm0, 0x0");
     TEST("\xc4\xe3\xf9\x14\xc0\x00", "vpextrb eax, xmm0, 0x0");