diff --git a/examples/common/common.hpp b/examples/common/common.hpp
index 558817eea..0ab5c08a4 100644
--- a/examples/common/common.hpp
+++ b/examples/common/common.hpp
@@ -1349,6 +1349,9 @@ struct SDGenerationParams {
     }
 
     void extract_and_remove_lora(const std::string& lora_model_dir) {
+        if (lora_model_dir.empty()) {
+            return;
+        }
         static const std::regex re(R"(<lora:([^:>]+):([^>]+)>)");
         static const std::vector<std::string> valid_ext = {".pt", ".safetensors", ".gguf"};
         std::smatch m;
diff --git a/examples/server/main.cpp b/examples/server/main.cpp
index 90cf484b9..f1ba0cd14 100644
--- a/examples/server/main.cpp
+++ b/examples/server/main.cpp
@@ -425,7 +425,7 @@ int main(int argc, const char** argv) {
                 return;
             }
 
-            if (!gen_params.process_and_check(IMG_GEN, ctx_params.lora_model_dir)) {
+            if (!gen_params.process_and_check(IMG_GEN, "")) {
                 res.status = 400;
                 res.set_content(R"({"error":"invalid params"})", "application/json");
                 return;
@@ -605,7 +605,7 @@ int main(int argc, const char** argv) {
                 return;
             }
 
-            if (!gen_params.process_and_check(IMG_GEN, ctx_params.lora_model_dir)) {
+            if (!gen_params.process_and_check(IMG_GEN, "")) {
                 res.status = 400;
                 res.set_content(R"({"error":"invalid params"})", "application/json");
                 return;