diff --git a/llvm/lib/YkIR/YkIRWriter.cpp b/llvm/lib/YkIR/YkIRWriter.cpp
index 99bbc6df4a496..8c6086b4263e4 100644
--- a/llvm/lib/YkIR/YkIRWriter.cpp
+++ b/llvm/lib/YkIR/YkIRWriter.cpp
@@ -450,6 +450,8 @@ class YkIRWriter {
       //
       // opcode:
       serialiseOpcode(OpCodeBr);
+      // successor:
+      serialiseBlockLabel(I->getSuccessor(0));
     } else {
       // opcode:
       serialiseOpcode(OpCodeCondBr);