diff --git a/mtags/src/main/scala-2/scala/meta/internal/pc/InferredMethodProvider.scala b/mtags/src/main/scala-2/scala/meta/internal/pc/InferredMethodProvider.scala
index 4390ea9e861..a9a6a8c7e92 100644
--- a/mtags/src/main/scala-2/scala/meta/internal/pc/InferredMethodProvider.scala
+++ b/mtags/src/main/scala-2/scala/meta/internal/pc/InferredMethodProvider.scala
@@ -96,7 +96,7 @@ final class InferredMethodProvider(
 
       val lastApplyPos = position.getOrElse(insertPosition())
       val fileUri = scala.util
-        .Try(lastApplyPos.source.toString())
+        .Try(lastApplyPos.source.toString()) // in tests this is undefined
         .toOption
         .getOrElse(params.uri().toString())
       val indentString =
@@ -303,7 +303,11 @@ final class InferredMethodProvider(
             // we need to get the type of the container of our undefined method
             val containerSymbol = context.lookupSymbol(container, _ => true)
             if (containerSymbol.isSuccess) {
-              containerSymbol.symbol.tpe match {
+              (if (containerSymbol.symbol.tpe.isInstanceOf[NullaryMethodType])
+                 containerSymbol.symbol.tpe
+                   .asInstanceOf[NullaryMethodType]
+                   .resultType
+               else containerSymbol.symbol.tpe) match {
                 case TypeRef(_, classSymbol, _) =>
                   // we get the position of the container
                   // class because we want to add the method
@@ -321,7 +325,7 @@ final class InferredMethodProvider(
                           template
                         ) =>
                       val insertPos: Position =
-                        inferEditPosition(params.text, template)
+                        inferEditPosition(template)
 
                       // val ret = prettyType(methodParams(retIndex).tpe)
                       signature(
@@ -329,7 +333,14 @@ final class InferredMethodProvider(
                         paramsString = argumentsString(arguments).getOrElse(""),
                         retType = None,
                         postProcess = method => {
-                          if (hasBody(params.text, template).isDefined)
+                          if (
+                            hasBody(
+                              template.pos.source.content
+                                .map(_.toString)
+                                .mkString,
+                              template
+                            ).isDefined
+                          )
                             s"\n  $method"
                           else s" {\n  $method}"
                         },
@@ -341,7 +352,7 @@ final class InferredMethodProvider(
                           template
                         ) =>
                       val insertPos: Position =
-                        inferEditPosition(params.text, template)
+                        inferEditPosition(template)
 
                       // val ret = prettyType(methodParams(retIndex).tpe)
                       signature(
@@ -349,7 +360,14 @@ final class InferredMethodProvider(
                         paramsString = argumentsString(arguments).getOrElse(""),
                         retType = None,
                         postProcess = method => {
-                          if (hasBody(params.text, template).isDefined)
+                          if (
+                            hasBody(
+                              template.pos.source.content
+                                .map(_.toString)
+                                .mkString,
+                              template
+                            ).isDefined
+                          )
                             s"\n  $method"
                           else s" {\n  $method}"
                         },
@@ -366,7 +384,7 @@ final class InferredMethodProvider(
                               template
                             ) =>
                           val insertPos: Position =
-                            inferEditPosition(params.text, template)
+                            inferEditPosition(template)
 
                           // val ret = prettyType(methodParams(retIndex).tpe)
                           signature(
@@ -375,7 +393,14 @@ final class InferredMethodProvider(
                               argumentsString(arguments).getOrElse(""),
                             retType = None,
                             postProcess = method => {
-                              if (hasBody(params.text, template).isDefined)
+                              if (
+                                hasBody(
+                                  template.pos.source.content
+                                    .map(_.toString)
+                                    .mkString,
+                                  template
+                                ).isDefined
+                              )
                                 s"\n  $method"
                               else s" {\n  $method}"
                             },
@@ -387,14 +412,21 @@ final class InferredMethodProvider(
                               template
                             ) =>
                           val insertPos: Position =
-                            inferEditPosition(params.text, template)
+                            inferEditPosition(template)
                           signature(
                             name = errorMethod.name.toString(),
                             paramsString =
                               argumentsString(arguments).getOrElse(""),
                             retType = None,
                             postProcess = method => {
-                              if (hasBody(params.text, template).isDefined)
+                              if (
+                                hasBody(
+                                  template.pos.source.content
+                                    .map(_.toString)
+                                    .mkString,
+                                  template
+                                ).isDefined
+                              )
                                 s"\n  $method"
                               else s" {\n  $method}"
                             },
@@ -457,7 +489,9 @@ final class InferredMethodProvider(
    * @param text the text of the original source code.
    * @param t the enclosing template for the class/object/trait we are implementing.
    */
-  private def inferEditPosition(text: String, t: Template): Position = {
+  private def inferEditPosition(t: Template): Position = {
+    // get text via reflection because Template could be in a different file
+    val text = t.pos.source.content.map(_.toString).mkString
     hasBody(text, t)
       .map { offset => t.pos.withStart(offset + 1).withEnd(offset + 1) }
       .getOrElse(