diff --git a/lib/CoreCLR/CoreCLR.cpp b/lib/CoreCLR/CoreCLR.cpp
index 6f4d337b8..265f1869e 100644
--- a/lib/CoreCLR/CoreCLR.cpp
+++ b/lib/CoreCLR/CoreCLR.cpp
@@ -37,12 +37,12 @@ int CoreCLR::load_hostfxr(const struct get_hostfxr_parameters* parameters)
         && m_hostfxr_close_fptr ? 0 : -1;
 }
 
-bool CoreCLR::load_runtime(const std::wstring& runtime_config_path)
+int CoreCLR::load_runtime(const std::wstring& runtime_config_path)
 {
     return CoreCLR::load_runtime(runtime_config_path, nullptr);
 }
 
-bool CoreCLR::load_runtime(const std::wstring& runtime_config_path, const struct hostfxr_initialize_parameters* parameters)
+int CoreCLR::load_runtime(const std::wstring& runtime_config_path, const struct hostfxr_initialize_parameters* parameters)
 {
     int result;
 
diff --git a/lib/CoreCLR/CoreCLR.h b/lib/CoreCLR/CoreCLR.h
index 235bf9923..71c62d90e 100644
--- a/lib/CoreCLR/CoreCLR.h
+++ b/lib/CoreCLR/CoreCLR.h
@@ -12,8 +12,8 @@ class CoreCLR {
     int load_hostfxr();
     int load_hostfxr(const get_hostfxr_parameters* parameters);
 
-    bool load_runtime(const std::wstring& runtime_config_path);
-    bool load_runtime(
+    int load_runtime(const std::wstring& runtime_config_path);
+    int load_runtime(
         const std::wstring& runtime_config_path,
         const struct hostfxr_initialize_parameters* parameters);
 
diff --git a/lib/CoreCLR/boot.cpp b/lib/CoreCLR/boot.cpp
index 2fde7e221..63636e709 100644
--- a/lib/CoreCLR/boot.cpp
+++ b/lib/CoreCLR/boot.cpp
@@ -90,7 +90,7 @@ int InitializeClrAndGetEntryPoint(
     printf("Loading hostfxr... ");
     if ((result = g_clr->load_hostfxr(&init_parameters)) != 0)
     {
-        printf("\nError: Failed to load the `hostfxr` library (err=%d)\n", result);
+        printf("\nError: Failed to load the `hostfxr` library (err=0x%08x)\n", result);
         return result;
     }
     printf("Done!\n");