diff --git a/src/libethash/mmap_win32.c b/src/libethash/mmap_win32.c
index 42968b98..faff3025 100644
--- a/src/libethash/mmap_win32.c
+++ b/src/libethash/mmap_win32.c
@@ -14,6 +14,7 @@
 #include <io.h>
 #include <windows.h>
 #include "mmap.h"
+#pragma comment(lib, "Shell32.lib")
 
 #ifdef __USE_FILE_OFFSET64
 # define DWORD_HI(x) (x >> 32)
diff --git a/src/python/core.c b/src/python/core.c
index c66e03c5..6a687e89 100644
--- a/src/python/core.c
+++ b/src/python/core.c
@@ -1,5 +1,9 @@
 #include <Python.h>
+#if defined(_WIN32) || defined(WIN32)
+#include <malloc.h>
+#else
 #include <alloca.h>
+#endif
 #include <stdint.h>
 #include <stdlib.h>
 #include <time.h>