diff --git a/core/sys/windows/ux_theme.odin b/core/sys/windows/ux_theme.odin
index 527abd62f..392cf1e18 100644
--- a/core/sys/windows/ux_theme.odin
+++ b/core/sys/windows/ux_theme.odin
@@ -3,7 +3,7 @@ package sys_windows
 
 foreign import uxtheme "system:UxTheme.lib"
 
-MARGINS :: distinct [4]int
+MARGINS :: distinct [4]i32
 PMARGINS :: ^MARGINS
 
 @(default_calling_convention="system")