diff --git a/libprocessgroup/task_profiles_test.cpp b/libprocessgroup/task_profiles_test.cpp
index 09ac44c..c449e95 100644
--- a/libprocessgroup/task_profiles_test.cpp
+++ b/libprocessgroup/task_profiles_test.cpp
@@ -43,7 +43,7 @@
     }
     struct mntent* mnt;
     while ((mnt = getmntent(mnts.get()))) {
-        if (strcmp(mnt->mnt_fsname, "cgroup2") == 0) {
+        if (strcmp(mnt->mnt_type, "cgroup2") == 0) {
             return true;
         }
     }