diff --git a/examples/control-vector-generator/control-vector-generator.cpp b/examples/control-vector-generator/control-vector-generator.cpp
index 3ca2c530520f6..d6c3fa3cd8082 100644
--- a/examples/control-vector-generator/control-vector-generator.cpp
+++ b/examples/control-vector-generator/control-vector-generator.cpp
@@ -258,6 +258,8 @@ struct ctrl_params {
     /* pair of prompts to be used for generating final vector */
     std::vector<std::string> positive_entries;
     std::vector<std::string> negative_entries;
+
+    bool single_prompt = false;
 };
 
 struct tokenized_prompt {
@@ -310,6 +312,8 @@ static void print_usage(const char * executable) {
     printf("                                default: %s\n", defaults.negative_prompts_file.c_str());
     printf("  -cf, --completions-file     completions file\n");
     printf("                                default: %s\n", defaults.completions_file.c_str());
+    printf("  --single-prompt             use whole file as the prompt (allows for a multiline prompt)\n");
+    printf("                                default: use each line as a separate prompt\n");
     printf("  -nc, --num-completions N    number of lines of completions file to use\n");
     printf("                                default: %d\n", defaults.n_completions);
     printf("  --batch-pca N               batch size used for PCA. Larger batch runs faster, but uses more memory\n");
@@ -377,6 +381,10 @@ static int ctrlvec_params_parse_ex(int argc, char ** argv, ctrl_params & params)
                 throw std::invalid_argument("error: missing argument for " + arg);
             }
         }
+        if (arg == "--single-prompt") {
+            params.single_prompt = true;
+            skipme += 1;
+        }
         if (arg == "--num-completions" || arg == "-nc") {
             if (++arg_idx < argc && strncmp(argv[arg_idx], arg_prefix.c_str(), 2) != 0) {
                 try {
@@ -435,7 +443,7 @@ static int ctrlvec_params_parse(int argc, char ** argv, ctrl_params & params) {
     return skipme;
 }
 
-static std::vector<std::string> ctrlvec_load_prompt_file(std::string path, bool skip_empty_lines = false) {
+static std::vector<std::string> ctrlvec_load_prompt_file(std::string path, bool skip_empty_lines = false, bool single_prompt = false) {
     std::vector<std::string> output;
     std::ifstream file(path);
     if (!file.is_open()) {
@@ -449,6 +457,14 @@ static std::vector<std::string> ctrlvec_load_prompt_file(std::string path, bool
         }
     }
     file.close();
+    if (single_prompt) {
+        std::string single_prompt;
+        for (const auto & line : output) {
+            single_prompt += line + "\n";
+        }
+        output.clear();
+        output.push_back(single_prompt);
+    }
     return output;
 }
 
@@ -510,8 +526,8 @@ static void export_gguf(const std::vector<struct ggml_tensor *> & v_ctrl, const
  */
 static int prepare_entries(ctrl_params & cparams) {
     // load prompts
-    std::vector<std::string> positive_prompts = ctrlvec_load_prompt_file(cparams.positive_prompts_file);
-    std::vector<std::string> negative_prompts = ctrlvec_load_prompt_file(cparams.negative_prompts_file);
+    std::vector<std::string> positive_prompts = ctrlvec_load_prompt_file(cparams.positive_prompts_file, false, cparams.single_prompt);
+    std::vector<std::string> negative_prompts = ctrlvec_load_prompt_file(cparams.negative_prompts_file, false, cparams.single_prompt);
     if (positive_prompts.size() != negative_prompts.size()) {
         fprintf(stderr, "number of positive and negative prompts must be equal\n");
         return 1;