diff --git a/src/rishka_vm.cpp b/src/rishka_vm.cpp
index e93b5fe..50a1aa9 100644
--- a/src/rishka_vm.cpp
+++ b/src/rishka_vm.cpp
@@ -944,6 +944,9 @@ uint64_t RishkaVM::handleSyscall(uint64_t code) {
             RishkaSyscall::Runtime::yield();
             break;
 
+        case RISHKA_SC_RT_FORK_STREAM:
+            return RishkaSyscall::Runtime::get_fork_string();
+
         default:
             this->panic("Invalid system call.");
             break;