diff --git a/compiler/ras/Debug.cpp b/compiler/ras/Debug.cpp
index f843d60c6c0..871e66cd479 100644
--- a/compiler/ras/Debug.cpp
+++ b/compiler/ras/Debug.cpp
@@ -4204,6 +4204,8 @@ TR_Debug::getRuntimeHelperName(int32_t index)
          case TR_ARM64arrayCopy:                                   return "__arrayCopy";
          case TR_ARM64forwardArrayCopy:                            return "__forwardArrayCopy";
          case TR_ARM64backwardArrayCopy:                           return "__backwardArrayCopy";
+         case TR_ARM64interfaceCompleteSlot2:                      return "_interfaceCompleteSlot2";
+         case TR_ARM64interfaceSlotsUnavailable:                   return "_interfaceSlotsUnavailable";
          }
       }
 #endif
diff --git a/compiler/runtime/Helpers.inc b/compiler/runtime/Helpers.inc
index d239b8f725c..6d48d904236 100644
--- a/compiler/runtime/Helpers.inc
+++ b/compiler/runtime/Helpers.inc
@@ -502,7 +502,9 @@ SETVAL(TR_ARM64jitCollapseJNIReferenceFrame,TR_FSRH+38)
 SETVAL(TR_ARM64arrayCopy,TR_FSRH+39)
 SETVAL(TR_ARM64forwardArrayCopy,TR_FSRH+40)
 SETVAL(TR_ARM64backwardArrayCopy,TR_FSRH+41)
-SETVAL(TR_ARM64numRuntimeHelpers,TR_FSRH+42)
+SETVAL(TR_ARM64interfaceCompleteSlot2,TR_FSRH+42)
+SETVAL(TR_ARM64interfaceSlotsUnavailable,TR_FSRH+43)
+SETVAL(TR_ARM64numRuntimeHelpers,TR_FSRH+44)
 
 SETVAL(TR_S390longDivide,TR_FSRH)
 SETVAL(TR_S390interfaceCallHelper,TR_FSRH+1)