diff --git a/libprocessgroup/include/processgroup/processgroup.h b/libprocessgroup/include/processgroup/processgroup.h
index ca6868c..8f4c764 100644
--- a/libprocessgroup/include/processgroup/processgroup.h
+++ b/libprocessgroup/include/processgroup/processgroup.h
@@ -95,7 +95,7 @@
 
 // Check if a profile can be applied without failing.
 // Returns true if it can be applied without failing, false otherwise
-bool isProfileValidForProcess(const std::string& profile_name, int uid, int pid);
+bool isProfileValidForProcess(const std::string& profile_name, uid_t uid, int pid);
 
 #endif // __ANDROID_VNDK__
 
diff --git a/libprocessgroup/processgroup.cpp b/libprocessgroup/processgroup.cpp
index 3209adf..42d415a 100644
--- a/libprocessgroup/processgroup.cpp
+++ b/libprocessgroup/processgroup.cpp
@@ -747,7 +747,7 @@
     return CgroupGetAttributePathForTask(attr_name, tid, path);
 }
 
-bool isProfileValidForProcess(const std::string& profile_name, int uid, int pid) {
+bool isProfileValidForProcess(const std::string& profile_name, uid_t uid, int pid) {
     const TaskProfile* tp = TaskProfiles::GetInstance().GetProfile(profile_name);
 
     if (tp == nullptr) {
diff --git a/libprocessgroup/task_profiles.cpp b/libprocessgroup/task_profiles.cpp
index d5bd47c..eaafa5e 100644
--- a/libprocessgroup/task_profiles.cpp
+++ b/libprocessgroup/task_profiles.cpp
@@ -489,7 +489,7 @@
 }
 
 bool WriteFileAction::WriteValueToFile(const std::string& value_, ResourceCacheType cache_type,
-                                       int uid, int pid, bool logfailures) const {
+                                       uid_t uid, int pid, bool logfailures) const {
     std::string value(value_);
 
     value = StringReplace(value, "<uid>", std::to_string(uid), true);
diff --git a/libprocessgroup/task_profiles.h b/libprocessgroup/task_profiles.h
index 16ffe63..25e3a02 100644
--- a/libprocessgroup/task_profiles.h
+++ b/libprocessgroup/task_profiles.h
@@ -184,8 +184,8 @@
     android::base::unique_fd fd_[ProfileAction::RCT_COUNT];
     mutable std::mutex fd_mutex_;
 
-    bool WriteValueToFile(const std::string& value, ResourceCacheType cache_type, int uid, int pid,
-                          bool logfailures) const;
+    bool WriteValueToFile(const std::string& value, ResourceCacheType cache_type, uid_t uid,
+                          int pid, bool logfailures) const;
     CacheUseResult UseCachedFd(ResourceCacheType cache_type, const std::string& value) const;
 };