diff --git a/src/instance.rs b/src/instance.rs
index a9266011b..055c0cd86 100644
--- a/src/instance.rs
+++ b/src/instance.rs
@@ -14,7 +14,7 @@ pub struct AdapterDescriptor {
 
 #[repr(C)]
 pub struct Extensions {
-    anisotropicFiltering: bool,
+    anisotropic_filtering: bool,
 }
 
 #[repr(C)]