diff --git a/src/emulate.c b/src/emulate.c
index 0152896c4..3e6bf1e36 100644
--- a/src/emulate.c
+++ b/src/emulate.c
@@ -617,6 +617,8 @@ static void block_translate(riscv_t *rv, block_t *block)
             ) {
                 ir->branch_table = calloc(1, sizeof(branch_history_table_t));
                 assert(ir->branch_table);
+                memset(ir->branch_table->PC, -1,
+                       sizeof(uint32_t) * HISTORY_SIZE);
             }
             break;
         }