diff --git a/app/src/main/java/org/ntlab/acanthus_client/views/userpage/UserPageViewModel.java b/app/src/main/java/org/ntlab/acanthus_client/views/userpage/UserPageViewModel.java
index c3264b3..1ddc2b6 100644
--- a/app/src/main/java/org/ntlab/acanthus_client/views/userpage/UserPageViewModel.java
+++ b/app/src/main/java/org/ntlab/acanthus_client/views/userpage/UserPageViewModel.java
@@ -100,15 +100,15 @@
         final FollowsRest followsRest = retrofit.create(FollowsRest.class);
 
         //フォローの解除
-        Call<String> call = followsRest.releaseFollows(uid, token, followUid);
-        call.enqueue(new Callback<String>() {
+        Call<Void> call = followsRest.releaseFollows(uid, token, followUid);
+        call.enqueue(new Callback<Void>() {
             @Override
-            public void onResponse(Call<String> call, Response<String> response) {
+            public void onResponse(Call<Void> call, Response<Void> response) {
 
             }
 
             @Override
-            public void onFailure(Call<String> call, Throwable t) {
+            public void onFailure(Call<Void> call, Throwable t) {
 
             }
         });