diff --git a/LSL2/STPROC/RTIOENGINEINIT.txt b/LSL2/STPROC/RTIOENGINEINIT.txt
new file mode 100644
index 0000000..48c36fd
--- /dev/null
+++ b/LSL2/STPROC/RTIOENGINEINIT.txt
@@ -0,0 +1,20 @@
+Compile subroutine RtiOEngineInit(void)
+#pragma SRP_Precompiler
+
+$Insert ENVIRON_CONSTANTS
+
+Declare subroutine Set_Env, GetEngineVersion
+Declare function   RTI_Xlate_Controller
+
+Version      = ''
+GetEngineVersion(Version)
+MajorVersion = Version[1, 'F.']
+If MajorVersion GE 10 then
+	// Stopgap performance fix for OI 10.2.2 RC1. Revelation will re-enable caching by default in 10.2.2 RC2.
+	// Do not invoke this in OI 9 as the function does not exist!
+	rv = RTI_Xlate_Controller('EnableCache')
+end
+
+return
+
+