diff --git a/libafl_qemu/libafl_qemu_sys/src/bindings/x86_64_stub_bindings.rs b/libafl_qemu/libafl_qemu_sys/src/bindings/x86_64_stub_bindings.rs
index 38b54df602..edae125224 100644
--- a/libafl_qemu/libafl_qemu_sys/src/bindings/x86_64_stub_bindings.rs
+++ b/libafl_qemu/libafl_qemu_sys/src/bindings/x86_64_stub_bindings.rs
@@ -5705,6 +5705,9 @@ extern "C" {
 extern "C" {
     pub fn libafl_get_brk() -> u64;
 }
+extern "C" {
+    pub fn libafl_get_initial_brk() -> u64;
+}
 extern "C" {
     pub fn libafl_set_brk(new_brk: u64) -> u64;
 }