diff --git a/core/shared/src/main/scala/coursier/util/Config.scala b/core/shared/src/main/scala/coursier/util/Config.scala
index aea3a15b8..ac6587df4 100644
--- a/core/shared/src/main/scala/coursier/util/Config.scala
+++ b/core/shared/src/main/scala/coursier/util/Config.scala
@@ -17,10 +17,10 @@ object Config {
         config -> res.subset(deps).minDependencies
     }
 
-    val filteredAllDepsByConfig = depsByConfig.map {
+    val filteredAllDepsByConfig = allDepsByConfig.map {
       case (config, allDeps) =>
-        val inherited = configs
-          .getOrElse(config, Set.empty)
+        val allExtendedConfigs = configs.getOrElse(config, Set.empty) - config
+        val inherited = allExtendedConfigs
           .flatMap(allDepsByConfig.getOrElse(_, Set.empty))
 
         config -> (allDeps -- inherited)