diff --git a/src/CatSession.cc b/src/CatSession.cc
index d05fd4bc..d00475dc 100644
--- a/src/CatSession.cc
+++ b/src/CatSession.cc
@@ -136,6 +136,6 @@ void CatSession::on_channel_error(short events) {
 void CatSession::print_prompt() { }
 
 void CatSession::execute_command(const std::string& command) {
-  string full_cmd = parse_data_string(command);
+  string full_cmd = parse_data_string(command, nullptr, ParseDataFlags::ALLOW_FILES);
   send_command_with_header(this->channel, full_cmd.data(), full_cmd.size());
 }
diff --git a/src/Main.cc b/src/Main.cc
index d734c42a..d38d19e7 100644
--- a/src/Main.cc
+++ b/src/Main.cc
@@ -565,7 +565,7 @@ int main(int argc, char** argv) {
       data = read_all(stdin);
     }
     if (parse_data) {
-      data = parse_data_string(data);
+      data = parse_data_string(data, nullptr, ParseDataFlags::ALLOW_FILES);
     }
     return data;
   };
@@ -658,7 +658,7 @@ int main(int argc, char** argv) {
           crypt.reset(new PSOV3Encryption(stoul(seed, nullptr, 16)));
           break;
         case GameVersion::BB: {
-          seed = parse_data_string(seed);
+          seed = parse_data_string(seed, nullptr, ParseDataFlags::ALLOW_FILES);
           auto key = load_object_file<PSOBBEncryption::KeyFile>(
               "system/blueburst/keys/" + key_file_name + ".nsk");
           crypt.reset(new PSOBBEncryption(key, seed.data(), seed.size()));
@@ -744,14 +744,14 @@ int main(int argc, char** argv) {
       vector<pair<string, string>> plaintexts;
       for (const auto& plaintext_ascii : find_decryption_seed_plaintexts) {
         string mask;
-        string data = parse_data_string(plaintext_ascii, &mask);
+        string data = parse_data_string(plaintext_ascii, &mask, ParseDataFlags::ALLOW_FILES);
         if (data.size() != mask.size()) {
           throw logic_error("plaintext and mask are not the same size");
         }
         max_plaintext_size = max<size_t>(max_plaintext_size, data.size());
         plaintexts.emplace_back(move(data), move(mask));
       }
-      string ciphertext = parse_data_string(find_decryption_seed_ciphertext);
+      string ciphertext = parse_data_string(find_decryption_seed_ciphertext, nullptr, ParseDataFlags::ALLOW_FILES);
 
       auto mask_match = +[](const void* a, const void* b, const void* m, size_t size) -> bool {
         const uint8_t* a8 = reinterpret_cast<const uint8_t*>(a);
diff --git a/src/ServerShell.cc b/src/ServerShell.cc
index 3317e6ee..f7524a36 100644
--- a/src/ServerShell.cc
+++ b/src/ServerShell.cc
@@ -562,7 +562,7 @@ session with ID 17205AE4, run the command `on 17205AE4 sc 1D 00 04 00`.\n\
   // PROXY COMMANDS
 
   } else if ((command_name == "sc") || (command_name == "ss")) {
-    string data = parse_data_string(command_args);
+    string data = parse_data_string(command_args, nullptr, ParseDataFlags::ALLOW_FILES);
     if (data.size() & 3) {
       throw invalid_argument("data size is not a multiple of 4");
     }
@@ -640,7 +640,7 @@ session with ID 17205AE4, run the command `on 17205AE4 sc 1D 00 04 00`.\n\
       data.push_back('\x09');
       data.push_back('E');
       if (is_dchat) {
-        data += parse_data_string(command_args);
+        data += parse_data_string(command_args, nullptr, ParseDataFlags::ALLOW_FILES);
       } else {
         data += command_args;
         data.push_back('\0');
@@ -665,7 +665,7 @@ session with ID 17205AE4, run the command `on 17205AE4 sc 1D 00 04 00`.\n\
 
     string data;
     if (command_name == "info-board-data") {
-      data += parse_data_string(command_args);
+      data += parse_data_string(command_args, nullptr, ParseDataFlags::ALLOW_FILES);
     } else {
       data += command_args;
     }
@@ -745,7 +745,7 @@ session with ID 17205AE4, run the command `on 17205AE4 sc 1D 00 04 00`.\n\
       throw runtime_error("proxy session is not game leader");
     }
 
-    string data = parse_data_string(command_args);
+    string data = parse_data_string(command_args, nullptr, ParseDataFlags::ALLOW_FILES);
     if (data.size() < 2) {
       throw runtime_error("data too short");
     }