diff --git a/.debugusrc1.js b/.debugusrc1.js
index ee37bf1..24d9373 100644
--- a/.debugusrc1.js
+++ b/.debugusrc1.js
@@ -9,7 +9,8 @@ var offset = "0x0000000000001169"; // dupa(), objdump -d ./test
 // pf();
 // ppid();
 // pplo();
-baddr(offset);
+// baddr(offset);
+bfn("dupa");
 lsbrk();
 lsf();
 
diff --git a/.debugusrc1.js.txt b/.debugusrc1.js.txt
index 9683145..243501b 100644
--- a/.debugusrc1.js.txt
+++ b/.debugusrc1.js.txt
@@ -9,7 +9,8 @@ var offset = "@DUPA_ADDR"; // dupa(), objdump -d ./test
 // pf();
 // ppid();
 // pplo();
-baddr(offset);
+// baddr(offset);
+bfn("dupa");
 lsbrk();
 lsf();
 
diff --git a/debugus.c b/debugus.c
index e6eea89..b8fa992 100644
--- a/debugus.c
+++ b/debugus.c
@@ -338,7 +338,24 @@ void dbg_js_baddr(js_State *js)
     Brk brk = { .pid = dbg->pid, .addr = dbg->program_load_offset + addr };
     brk_enable(&brk);
     hashtable_set(&dbg->brks, addr_str2, &brk, sizeof(brk));
-done:
+    js_pushundefined(js);
+}
+
+void dbg_js_bfn(js_State *js)
+{
+    Dbg *dbg = getdbg();
+    const char *fn_name = js_tostring(js, 1);
+    for (int i = 0; i < dbg->symbols.count; i++) {
+        Symbol *s = &dbg->symbols.items[i];
+        if (strcmp(fn_name, s->name) == 0) {
+            uintptr_t addr = s->addr;
+            char addr_str2[20];
+            snprintf(addr_str2, sizeof(addr_str2), "0x%"PRIxPTR, addr);
+            Brk brk = { .pid = dbg->pid, .addr = addr };
+            brk_enable(&brk);
+            hashtable_set(&dbg->brks, addr_str2, &brk, sizeof(brk));
+        }
+    }
     js_pushundefined(js);
 }
 
@@ -540,6 +557,7 @@ void dbg_init_js(Dbg *dbg)
     make_js_func(mwr, 2, "Write memory at address, ARGS=Address:hex string,Value:hex string");
     make_js_func(help, 0, "Print help information, ARGS=None");
     make_js_func(lsf, 0, "List functions in executable, ARGS=None");
+    make_js_func(bfn, 1, "Set breakpoint at function, ARGS=Function name:string");
 
     #undef make_js_func
 }