diff --git a/go.mod b/go.mod
index 2c9a032..7866e6e 100644
--- a/go.mod
+++ b/go.mod
@@ -6,6 +6,6 @@ require (
 	github.com/logrusorgru/aurora/v3 v3.0.0
 	github.com/wii-tools/GoNUSD v0.2.2
 	github.com/wii-tools/arclib v1.0.0
-	github.com/wii-tools/powerpc v0.0.0-20220411041712-104089eba964
+	github.com/wii-tools/powerpc v0.0.0-20220518173947-5e34f2388e0d
 	github.com/wii-tools/wadlib v0.3.1
 )
diff --git a/go.sum b/go.sum
index 7a6e04c..34ccfb3 100644
--- a/go.sum
+++ b/go.sum
@@ -4,7 +4,7 @@ github.com/wii-tools/GoNUSD v0.2.2 h1:vHiSLI9sK9Q4zbCt24jMiq/lo2FISLBuCHoaY3Bd88
 github.com/wii-tools/GoNUSD v0.2.2/go.mod h1:Wf0ZMf4jdyQYSaSmNyFsqfQbngFA/cM9mpJBZ63Qlzs=
 github.com/wii-tools/arclib v1.0.0 h1:OAmbL3NDUmlR0wa1VpJhxnKiIRFZz1CC40lTVPUm8Ms=
 github.com/wii-tools/arclib v1.0.0/go.mod h1:uXFan/NSXoQ2pOVPN4ugZ4nJX7esBnjB1QUgVrEzK/4=
-github.com/wii-tools/powerpc v0.0.0-20220411041712-104089eba964 h1:/ZeMBIoblxzyhKHQJncvBZaxqi6RZz4rm4QvL0QiguA=
-github.com/wii-tools/powerpc v0.0.0-20220411041712-104089eba964/go.mod h1:bt/52tMfh1hmEXwFh1i1AOEMNHoe0jSXkcRunOSdFkc=
+github.com/wii-tools/powerpc v0.0.0-20220518173947-5e34f2388e0d h1:xz6oUpu5th8BmMoxUSIAksujOT6SLrqm3CWxDqA78Mg=
+github.com/wii-tools/powerpc v0.0.0-20220518173947-5e34f2388e0d/go.mod h1:bt/52tMfh1hmEXwFh1i1AOEMNHoe0jSXkcRunOSdFkc=
 github.com/wii-tools/wadlib v0.3.1 h1:g0Szzof/YsBLghP+JpoVzT/6M6jpl+AH9PHiUuG3cd8=
 github.com/wii-tools/wadlib v0.3.1/go.mod h1:GK+f2POk+rVu1p4xqLSb4ll1SKKbfOO6ZAB+oPLV3uQ=
diff --git a/patch_ec_title_check.go b/patch_ec_title_check.go
index c681b67..3511801 100644
--- a/patch_ec_title_check.go
+++ b/patch_ec_title_check.go
@@ -15,7 +15,7 @@ var NegateECTitle = PatchSet{
 			// Generic function prolog
 			Before: Instructions{
 				STWU(R1, R1, 0xffe0),
-				MFSPR(),
+				MFSPR(R0, LR),
 			}.Bytes(),
 
 			// Immediately return true
@@ -30,7 +30,7 @@ var NegateECTitle = PatchSet{
 
 			Before: Instructions{
 				STWU(R1, R1, 0xfff0),
-				MFSPR(),
+				MFSPR(R0, LR),
 			}.Bytes(),
 			After: Instructions{
 				LI(R3, 1),
@@ -42,7 +42,7 @@ var NegateECTitle = PatchSet{
 			AtOffset: 619904,
 			Before: Instructions{
 				STWU(R1, R1, 0xfff0),
-				MFSPR(),
+				MFSPR(R0, LR),
 			}.Bytes(),
 			After: Instructions{
 				LI(R3, 1),
@@ -54,7 +54,7 @@ var NegateECTitle = PatchSet{
 			AtOffset: 588368,
 			Before: Instructions{
 				STWU(R1, R1, 0xffc0),
-				MFSPR(),
+				MFSPR(R0, LR),
 			}.Bytes(),
 			After: Instructions{
 				LI(R3, 0),