diff --git a/libbpf_android/include/libbpf_android.h b/libbpf_android/include/libbpf_android.h
index 3810d07..a2f78b4 100644
--- a/libbpf_android/include/libbpf_android.h
+++ b/libbpf_android/include/libbpf_android.h
@@ -25,7 +25,7 @@
 namespace bpf {
 
 // BPF loader implementation. Loads an eBPF ELF object
-int loadProg(const char* elfPath, bool* isCritical);
+int loadProg(const char* elfPath, bool* isCritical, const char* prefix = "");
 
 // Wait for bpfloader to load BPF programs.
 void waitForProgsLoaded();