diff --git a/eco-core/core-backend/src/main/kotlin/com/willfp/eco/internal/config/EcoConfig.kt b/eco-core/core-backend/src/main/kotlin/com/willfp/eco/internal/config/EcoConfig.kt
index 7c516144..6e2aa030 100644
--- a/eco-core/core-backend/src/main/kotlin/com/willfp/eco/internal/config/EcoConfig.kt
+++ b/eco-core/core-backend/src/main/kotlin/com/willfp/eco/internal/config/EcoConfig.kt
@@ -18,7 +18,7 @@ open class EcoConfig(
     private val values = ConcurrentHashMap<String, Any?>()
 
     @Transient
-    var injections = ConcurrentHashMap<Pattern, InjectablePlaceholder>()
+    var injections = mutableMapOf<Pattern, InjectablePlaceholder>()
 
     fun init(values: Map<String, Any?>) {
         this.values.clear()