diff --git a/ConfigureChecks.cmake b/ConfigureChecks.cmake
index 0712dbeb6..e199e5435 100644
--- a/ConfigureChecks.cmake
+++ b/ConfigureChecks.cmake
@@ -58,6 +58,9 @@ check_function_exists(strerror_r HAVE_STRERROR_R)
 check_function_exists(utimes HAVE_UTIMES)
 check_function_exists(lstat HAVE_LSTAT)
 check_function_exists(asprintf HAVE_ASPRINTF)
+if (WIN32)
+	check_function_exists(__mingw_asprintf HAVE___MINGW_ASPRINTF)
+endif(WIN32)
 if (UNIX AND HAVE_ASPRINTF)
     add_definitions(-D_GNU_SOURCE)
 endif (UNIX AND HAVE_ASPRINTF)
diff --git a/config.h.cmake b/config.h.cmake
index 2685aadf0..d139295f3 100644
--- a/config.h.cmake
+++ b/config.h.cmake
@@ -22,3 +22,5 @@
 #cmakedefine HAVE_FNMATCH 1
 
 #cmakedefine NEON_WITH_LFS 1
+#cmakedefine HAVE___MINGW_ASPRINTF 1
+
diff --git a/src/std/c_private.h b/src/std/c_private.h
index aec65029b..94499c9f4 100644
--- a/src/std/c_private.h
+++ b/src/std/c_private.h
@@ -72,6 +72,10 @@ typedef struct stat csync_stat_t;
 #define O_NOATIME 0
 #endif
 
+#if !defined(HAVE_ASPRINTF) && defined(HAVE___MINGW_ASPRINTF)
+#define asprintf __mingw_asprintf
+#endif
+
 /* tchar definitions for clean win32 filenames */
 #define _UNICODE