diff --git a/src/Mem.cpp b/src/Mem.cpp
index fdc3d727..36551711 100644
--- a/src/Mem.cpp
+++ b/src/Mem.cpp
@@ -22,6 +22,7 @@
  */
 
 
+#include <algorithm>
 #include <memory.h>
 
 #include "crypto/CryptoNight.h"
@@ -89,4 +90,4 @@ void Mem::release(ScratchPad** scratchPads, ScratchPadMem& scratchPadMem, int th
     for (size_t i = 0; i < getThreadHashFactor(threadId); ++i) {
         _mm_free(scratchPads[i]);
     }
-}
\ No newline at end of file
+}