diff --git a/miniaudio.h b/miniaudio.h
index 02aba29e..1c9fb893 100644
--- a/miniaudio.h
+++ b/miniaudio.h
@@ -62589,7 +62589,9 @@ static ma_result ma_resource_manager__init_decoder(ma_resource_manager* pResourc
     } else {
         result = ma_decoder_init_vfs_w(pResourceManager->config.pVFS, pFilePathW, &config, pDecoder);
         if (result != MA_SUCCESS) {
-            ma_log_postf(ma_resource_manager_get_log(pResourceManager), MA_LOG_LEVEL_WARNING, "Failed to load file \"%ls\". %s.\n", pFilePathW, ma_result_description(result));
+            #if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || defined(_MSC_VER)
+                ma_log_postf(ma_resource_manager_get_log(pResourceManager), MA_LOG_LEVEL_WARNING, "Failed to load file \"%ls\". %s.\n", pFilePathW, ma_result_description(result));
+            #endif
             return result;
         }
     }
@@ -62737,7 +62739,9 @@ static ma_result ma_resource_manager_data_buffer_node_init_supply_encoded(ma_res
         if (pFilePath != NULL) {
             ma_log_postf(ma_resource_manager_get_log(pResourceManager), MA_LOG_LEVEL_WARNING, "Failed to load file \"%s\". %s.\n", pFilePath, ma_result_description(result));
         } else {
-            ma_log_postf(ma_resource_manager_get_log(pResourceManager), MA_LOG_LEVEL_WARNING, "Failed to load file \"%ls\". %s.\n", pFilePathW, ma_result_description(result));
+            #if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || defined(_MSC_VER)
+                ma_log_postf(ma_resource_manager_get_log(pResourceManager), MA_LOG_LEVEL_WARNING, "Failed to load file \"%ls\". %s.\n", pFilePathW, ma_result_description(result));
+            #endif
         }
 
         return result;
@@ -65005,7 +65009,9 @@ static ma_result ma_resource_manager_process_job__load_data_buffer_node(ma_resou
             if (pJob->data.loadDataBufferNode.pFilePath != NULL) {
                 ma_log_postf(ma_resource_manager_get_log(pResourceManager), MA_LOG_LEVEL_WARNING, "Failed to initialize data supply for \"%s\". %s.\n", pJob->data.loadDataBufferNode.pFilePath, ma_result_description(result));
             } else {
-                ma_log_postf(ma_resource_manager_get_log(pResourceManager), MA_LOG_LEVEL_WARNING, "Failed to initialize data supply for \"%ls\", %s.\n", pJob->data.loadDataBufferNode.pFilePathW, ma_result_description(result));
+                #if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || defined(_MSC_VER)
+                    ma_log_postf(ma_resource_manager_get_log(pResourceManager), MA_LOG_LEVEL_WARNING, "Failed to initialize data supply for \"%ls\", %s.\n", pJob->data.loadDataBufferNode.pFilePathW, ma_result_description(result));
+                #endif
             }
 
             goto done;