1 files changed, 6 insertions, 0 deletions
diff --git a/compat/winansi.c b/compat/winansi.c
index c27b20a79d..0e5a9cc82e 100644
--- a/compat/winansi.c
+++ b/compat/winansi.c
@@ -3,6 +3,12 @@
  */
 
 #undef NOGDI
+
+/*
+ * Including the appropriate header file for RtlGenRandom causes MSVC to see a
+ * redefinition of types in an incompatible way when including headers below.
+ */
+#undef HAVE_RTLGENRANDOM
 #include "../git-compat-util.h"
 #include <wingdi.h>
 #include <winreg.h>