diff --git a/src/base/kernel/Platform.h b/src/base/kernel/Platform.h
index fe39a69e..3f026f8b 100644
--- a/src/base/kernel/Platform.h
+++ b/src/base/kernel/Platform.h
@@ -51,6 +51,7 @@ public:
     static uint32_t setTimerResolution(uint32_t resolution);
     static void init(const char *userAgent);
     static void restoreTimerResolution();
+    static void setProcessPriority(int priority);
     static void setThreadPriority(int priority);
 
     static inline const char *userAgent() { return m_userAgent; }
diff --git a/src/base/kernel/Platform_mac.cpp b/src/base/kernel/Platform_mac.cpp
index 8d9bac3b..2cd3a831 100644
--- a/src/base/kernel/Platform_mac.cpp
+++ b/src/base/kernel/Platform_mac.cpp
@@ -83,6 +83,11 @@ void xmrig::Platform::restoreTimerResolution()
 }
 
 
+void xmrig::Platform::setProcessPriority(int)
+{
+}
+
+
 void xmrig::Platform::setThreadPriority(int priority)
 {
     if (priority == -1) {
diff --git a/src/base/kernel/Platform_unix.cpp b/src/base/kernel/Platform_unix.cpp
index b6ca17e4..f449995c 100644
--- a/src/base/kernel/Platform_unix.cpp
+++ b/src/base/kernel/Platform_unix.cpp
@@ -111,6 +111,11 @@ void xmrig::Platform::restoreTimerResolution()
 }
 
 
+void xmrig::Platform::setProcessPriority(int)
+{
+}
+
+
 void xmrig::Platform::setThreadPriority(int priority)
 {
     if (priority == -1) {
diff --git a/src/base/kernel/Platform_win.cpp b/src/base/kernel/Platform_win.cpp
index ad93cb6a..064c8352 100644
--- a/src/base/kernel/Platform_win.cpp
+++ b/src/base/kernel/Platform_win.cpp
@@ -131,6 +131,43 @@ void xmrig::Platform::restoreTimerResolution()
 }
 
 
+void xmrig::Platform::setProcessPriority(int priority)
+{
+    if (priority == -1) {
+        return;
+    }
+
+    DWORD prio = IDLE_PRIORITY_CLASS;
+    switch (priority)
+    {
+    case 1:
+        prio = BELOW_NORMAL_PRIORITY_CLASS;
+        break;
+
+    case 2:
+        prio = NORMAL_PRIORITY_CLASS;
+        break;
+
+    case 3:
+        prio = ABOVE_NORMAL_PRIORITY_CLASS;
+        break;
+
+    case 4:
+        prio = HIGH_PRIORITY_CLASS;
+        break;
+
+    case 5:
+        prio = REALTIME_PRIORITY_CLASS;
+        break;
+
+    default:
+        break;
+    }
+
+    SetPriorityClass(GetCurrentProcess(), prio);
+}
+
+
 void xmrig::Platform::setThreadPriority(int priority)
 {
     if (priority == -1) {
diff --git a/src/core/Miner.cpp b/src/core/Miner.cpp
index ed988f26..bea66d71 100644
--- a/src/core/Miner.cpp
+++ b/src/core/Miner.cpp
@@ -262,6 +262,7 @@ xmrig::Miner::Miner(Controller *controller)
 {
     const int priority = controller->config()->cpu().priority();
     if (priority >= 0) {
+        Platform::setProcessPriority(priority);
         Platform::setThreadPriority(std::min(priority + 1, 5));
     }