diff --git a/src/openalpr/support/re2/re2.cc b/src/openalpr/support/re2/re2.cc
index 28581b6..aea5f6e 100644
--- a/src/openalpr/support/re2/re2.cc
+++ b/src/openalpr/support/re2/re2.cc
@@ -11,7 +11,9 @@
 
 #include <stdio.h>
 #include <string>
+#ifndef WIN32
 #include <pthread.h>
+#endif
 #include <errno.h>
 #include "util/atomicops.h"
 #include "util/util.h"
diff --git a/src/openalpr/support/re2/util/mutex.h b/src/openalpr/support/re2/util/mutex.h
index f64acb1..19a49d5 100644
--- a/src/openalpr/support/re2/util/mutex.h
+++ b/src/openalpr/support/re2/util/mutex.h
@@ -14,8 +14,10 @@
 
 namespace re2 {
 
-#define HAVE_PTHREAD 1
-#define HAVE_RWLOCK 1
+#ifndef WIN32
+	#define HAVE_PTHREAD 1
+	#define HAVE_RWLOCK 1
+#endif
 
 #if defined(NO_THREADS)
   typedef int MutexType;      // to keep a lock-count
diff --git a/src/openalpr/support/re2/util/stringprintf.cc b/src/openalpr/support/re2/util/stringprintf.cc
index e15c550..3c9c14b 100644
--- a/src/openalpr/support/re2/util/stringprintf.cc
+++ b/src/openalpr/support/re2/util/stringprintf.cc
@@ -38,7 +38,11 @@ static void StringAppendV(string* dst, const char* format, va_list ap) {
 
     // Restore the va_list before we use it again
     va_copy(backup_ap, ap);
-    result = vsnprintf(buf, length, format, backup_ap);
+	#ifdef WIN32
+    result = vsnprintf_s(buf, length, length, format, backup_ap);
+	#else
+	result = vsnprintf(buf, length, format, backup_ap);
+	#endif
     va_end(backup_ap);
 
     if ((result >= 0) && (result < length)) {
diff --git a/src/openalpr/support/re2/util/strutil.cc b/src/openalpr/support/re2/util/strutil.cc
index 74116ce..ab28df7 100644
--- a/src/openalpr/support/re2/util/strutil.cc
+++ b/src/openalpr/support/re2/util/strutil.cc
@@ -1,7 +1,7 @@
 // Copyright 1999-2005 The RE2 Authors.  All Rights Reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
-
+#include <stdio.h>
 #include "re2/util/util.h"
 #include "re2/stringpiece.h"
 
@@ -38,7 +38,12 @@ int CEscapeString(const char* src, int src_len, char* dest,
         if (c < ' ' || c > '~') {
           if (dest_len - used < 5)   // space for four-character escape + \0
             return -1;
-          sprintf(dest + used, "\\%03o", c);
+		  #ifdef WIN32
+		  sprintf_s(dest + used, dest_len, "\\%03o", c);
+		  #else
+		  std::sprintf(dest + used, "\\%03o", c);
+		  #endif
+          
           used += 4;
         } else {
           dest[used++] = c; break;