diff --git a/Makefile b/Makefile
index 241369648..9e71b6a05 100644
--- a/Makefile
+++ b/Makefile
@@ -777,7 +777,7 @@ simple: examples/simple/simple.cpp                            ggml.o llama.o $(C
 	$(CXX) $(CXXFLAGS) -c $< -o $(call GET_OBJ_FILE, $<)
 	$(CXX) $(CXXFLAGS) $(filter-out %.h $<,$^) $(call GET_OBJ_FILE, $<) -o $@ $(LDFLAGS)
 
-simple: examples/duo/duo.cpp                            	  ggml.o llama.o $(COMMON_DEPS) $(OBJS)
+duo: 	examples/duo/duo.cpp                          	      ggml.o llama.o $(COMMON_DEPS) $(OBJS)
 	$(CXX) $(CXXFLAGS) -c $< -o $(call GET_OBJ_FILE, $<)
 	$(CXX) $(CXXFLAGS) $(filter-out %.h $<,$^) $(call GET_OBJ_FILE, $<) -o $@ $(LDFLAGS)
 
diff --git a/examples/duo/duo.cpp b/examples/duo/duo.cpp
index 1250db018..ab66bcd0f 100644
--- a/examples/duo/duo.cpp
+++ b/examples/duo/duo.cpp
@@ -59,7 +59,7 @@ static void split_done_cb(int split)
     if (split == 1 || split == 2)
     {
         std::lock_guard<std::mutex> guard(spec_ctx.mtx);
-        spec_ctx.active_id = 2 - split;
+        spec_ctx.active_id = split - 1;
     }
 }
 
@@ -387,4 +387,4 @@ int main(int argc, char ** argv) {
     llama_backend_free();
 
     return 0;
-}
\ No newline at end of file
+}