diff --git a/src/main/kotlin/dev/fyloz/colorrecipesexplorer/model/Recipe.kt b/src/main/kotlin/dev/fyloz/colorrecipesexplorer/model/Recipe.kt
index 9eb1c86..bac32a1 100644
--- a/src/main/kotlin/dev/fyloz/colorrecipesexplorer/model/Recipe.kt
+++ b/src/main/kotlin/dev/fyloz/colorrecipesexplorer/model/Recipe.kt
@@ -146,7 +146,7 @@ data class RecipeGroupInformation(
 
     @OneToMany(cascade = [CascadeType.ALL], fetch = FetchType.EAGER, orphanRemoval = true)
     @JoinColumn(name = "recipe_group_information_id")
-    var steps: Set<RecipeStep>?
+    var steps: MutableSet<RecipeStep>?
 )
 
 data class RecipeStepsDto(
@@ -230,7 +230,7 @@ fun recipeGroupInformation(
     id: Long? = null,
     group: EmployeeGroup = employeeGroup(),
     note: String? = null,
-    steps: Set<RecipeStep>? = setOf(),
+    steps: MutableSet<RecipeStep>? = mutableSetOf(),
     op: RecipeGroupInformation.() -> Unit = {}
 ) = RecipeGroupInformation(id, group, note, steps).apply(op)
 
diff --git a/src/main/kotlin/dev/fyloz/colorrecipesexplorer/service/RecipeService.kt b/src/main/kotlin/dev/fyloz/colorrecipesexplorer/service/RecipeService.kt
index baf0049..0f35fe8 100644
--- a/src/main/kotlin/dev/fyloz/colorrecipesexplorer/service/RecipeService.kt
+++ b/src/main/kotlin/dev/fyloz/colorrecipesexplorer/service/RecipeService.kt
@@ -86,10 +86,15 @@ class RecipeServiceImpl(
             with(recipe.groupInformationForGroup(it.groupId)) {
                 updatedGroupsInformation.add(
                     this?.apply {
-                        this.steps = it.steps
+                        if (this.steps != null) {
+                            this.steps!!.clear()
+                            this.steps!!.addAll(it.steps)
+                        } else {
+                            this.steps = it.steps.toMutableSet()
+                        }
                     } ?: recipeGroupInformation(
                         group = groupService.getById(it.groupId),
-                        steps = it.steps
+                        steps = it.steps.toMutableSet()
                     )
                 )
             }
diff --git a/src/main/resources/application-mysql.properties b/src/main/resources/application-mysql.properties
index 9226777..06d0241 100644
--- a/src/main/resources/application-mysql.properties
+++ b/src/main/resources/application-mysql.properties
@@ -1,4 +1,4 @@
-spring.datasource.url=jdbc:mysql://172.66.1.1/updater
+spring.datasource.url=jdbc:mysql://172.66.1.1/cre
 spring.datasource.username=root
 spring.datasource.password=pass
 spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver