diff --git a/game_payload/include/utils.h b/game_payload/include/utils.h
index a308fe6..237c3e5 100644
--- a/game_payload/include/utils.h
+++ b/game_payload/include/utils.h
@@ -2,6 +2,7 @@
 
 #include <stdint.h>
 
-uint32_t utils_file_crc32c(const char *filePath);
+int utils_file_exists(const wchar_t *filePath);
+uint32_t utils_file_crc32c(const wchar_t *filePath);
 
 char utils_env_enabled(const char *env);
diff --git a/game_payload/src/hi3.c b/game_payload/src/hi3.c
index 22f0da8..77354e2 100644
--- a/game_payload/src/hi3.c
+++ b/game_payload/src/hi3.c
@@ -24,7 +24,7 @@ const struct crc_id_pair HI3_REGIONS[] = {
 };
 
 void hi3_fill_data(struct game_data *buf) {
-    uint32_t crc = utils_file_crc32c("UnityPlayer.dll");
+    uint32_t crc = utils_file_crc32c(L"UnityPlayer.dll");
     
     enum game_id id = GAME_INVALID;
     for (size_t i = 0; i < sizeof(HI3_REGIONS) / sizeof(struct crc_id_pair); i++) {
diff --git a/game_payload/src/hsr.c b/game_payload/src/hsr.c
index f855362..5c02225 100644
--- a/game_payload/src/hsr.c
+++ b/game_payload/src/hsr.c
@@ -70,7 +70,7 @@ static void _unityplayer_callback(HMODULE unityModule) {
 }
 
 void hsr_fill_data(struct game_data *buf) {
-    uint32_t crc = utils_file_crc32c("UnityPlayer.dll");
+    uint32_t crc = utils_file_crc32c(L"UnityPlayer.dll");
     
     enum game_id id = GAME_INVALID;
     for (size_t i = 0; i < sizeof(HSR_REGIONS) / sizeof(struct crc_id_pair); i++) {
diff --git a/game_payload/src/utils.c b/game_payload/src/utils.c
index 42d48c2..b94e735 100644
--- a/game_payload/src/utils.c
+++ b/game_payload/src/utils.c
@@ -5,10 +5,14 @@
 
 #include <utils.h>
 
-uint32_t utils_file_crc32c(const char *filePath) {
-    HANDLE file = CreateFileA(filePath, FILE_READ_ACCESS, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
+int utils_file_exists(const wchar_t *filePath) {
+    return GetFileAttributesW(filePath) != INVALID_FILE_ATTRIBUTES;
+}
+
+uint32_t utils_file_crc32c(const wchar_t *filePath) {
+    HANDLE file = CreateFileW(filePath, FILE_READ_ACCESS, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
     if (!file) {
-        msg_err_a("Could not open file: %s", filePath);
+        msg_err_w(L"Could not open file: %ls", filePath);
     }
 
     LARGE_INTEGER fileSize;
@@ -17,7 +21,7 @@ uint32_t utils_file_crc32c(const char *filePath) {
     HANDLE hMap = CreateFileMappingA(file, NULL, PAGE_READONLY, 0, 0, NULL);
     char *map = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0);
     if (!map) {
-        msg_err_a("Could not create file mapping for %s", filePath);
+        msg_err_w(L"Could not create file mapping for %ls", filePath);
     }
 
     uint32_t crc = crc32c(0, (unsigned char*)map, fileSize.QuadPart);