1 files changed, 3 insertions, 3 deletions

diff --git a/win32/uname.c b/win32/uname.c
index 465ba1e28..3b3e21f8d 100644
--- a/win32/uname.c
+++ b/win32/uname.c
@@ -20,9 +20,9 @@ int uname(struct utsname *name)
         strcpy(name->release, unk);
         strcpy(name->version, unk);
         if (GetVersionEx(&os_info)) {
-                sprintf(name->release, "%d.%d", os_info.dwMajorVersion,
-                                os_info.dwMinorVersion);
-                sprintf(name->version, "%d", os_info.dwBuildNumber);
+                sprintf(name->release, "%u.%u", (unsigned int)os_info.dwMajorVersion,
+                                (unsigned int)os_info.dwMinorVersion);
+                sprintf(name->version, "%u", (unsigned int)os_info.dwBuildNumber);
         }
 
         strcpy(name->machine, unk);