1 files changed, 1 insertions, 1 deletions
diff --git a/src/key.cc b/src/key.cc
index 43cd32eb..b8ba6d60 100644
--- a/src/key.cc
+++ b/src/key.cc
@@ -97,7 +97,7 @@ Key::hex () const
 
 	char buffer[33];
 #ifdef LIBDCP_WINDOWS
-	gnu_snprintf (
+	__mingw_snprintf (
 #else
 	snprintf (
 #endif