diff --git a/src/main/kotlin/dev/fyloz/colorrecipesexplorer/service/MaterialService.kt b/src/main/kotlin/dev/fyloz/colorrecipesexplorer/service/MaterialService.kt
index fdf1bde..ce58533 100644
--- a/src/main/kotlin/dev/fyloz/colorrecipesexplorer/service/MaterialService.kt
+++ b/src/main/kotlin/dev/fyloz/colorrecipesexplorer/service/MaterialService.kt
@@ -59,7 +59,7 @@ class MaterialServiceImpl(
             isMixType = this.isMixType,
             materialType = this.materialType!!,
             simdutUrl = if (fileService.exists(this.simdutFilePath))
-                "${configService.get(ConfigurationType.INSTANCE_URL)}$FILE_CONTROLLER_PATH?path=${
+                "${configService.get(ConfigurationType.INSTANCE_URL).content}$FILE_CONTROLLER_PATH?path=${
                     URLEncoder.encode(
                         this.simdutFilePath,
                         StandardCharsets.UTF_8