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-rw-r--r--opl/opl_win9x.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/opl/opl_win9x.c b/opl/opl_win9x.c
index 04555760..ff527b3e 100644
--- a/opl/opl_win9x.c
+++ b/opl/opl_win9x.c
@@ -96,6 +96,9 @@ static int OPL_Win9x_Init(unsigned int port_base)
// Check that this is a Windows 9x series OS:
+ memset(&version_info, 0, sizeof(version_info));
+ version_info.dwOSVersionInfoSize = sizeof(version_info);
+
GetVersionEx(&version_info);
if (version_info.dwPlatformId == 1)