diff --git a/zoha-vte-sys/src/lib.rs b/zoha-vte-sys/src/lib.rs
index 80d0a5d..f5b0376 100644
pub const VTE_TEST_FLAGS_NONE: u64 = 0;
// Flags
-pub type VteFeatureFlags = c_uint;
+pub type VteFeatureFlags = c_ulong;
pub const VTE_FEATURE_FLAG_BIDI: VteFeatureFlags = 1;
pub const VTE_FEATURE_FLAG_ICU: VteFeatureFlags = 2;
pub const VTE_FEATURE_FLAG_SYSTEMD: VteFeatureFlags = 4;