diff --git a/bindgen-tests/tests/expectations/tests/opencl_vector.rs b/bindgen-tests/tests/expectations/tests/opencl_vector.rs
new file mode 100644
index 0000000000..3c2525c845
--- /dev/null
+++ b/bindgen-tests/tests/expectations/tests/opencl_vector.rs
@@ -0,0 +1,6 @@
+#![allow(dead_code, non_snake_case, non_camel_case_types, non_upper_case_globals)]
+pub type float4 = [f32; 4usize];
+pub type float2 = [f32; 2usize];
+unsafe extern "C" {
+    pub fn foo(a: float2, b: float2) -> float4;
+}
diff --git a/bindgen-tests/tests/headers/opencl_vector.h b/bindgen-tests/tests/headers/opencl_vector.h
new file mode 100644
index 0000000000..79022c768f
--- /dev/null
+++ b/bindgen-tests/tests/headers/opencl_vector.h
@@ -0,0 +1,9 @@
+typedef float float4 __attribute__((ext_vector_type(4)));
+typedef float float2 __attribute__((ext_vector_type(2)));
+
+float4 foo(float2 a, float2 b) {
+  float4 c;
+  c.xz = a;
+  c.yw = b;
+  return c;
+}
\ No newline at end of file
diff --git a/bindgen/ir/ty.rs b/bindgen/ir/ty.rs
index 2589a56fca..baaa4a4907 100644
--- a/bindgen/ir/ty.rs
+++ b/bindgen/ir/ty.rs
@@ -1117,7 +1117,7 @@ impl Type {
 
                     TypeKind::Comp(complex)
                 }
-                CXType_Vector => {
+                CXType_Vector | CXType_ExtVector => {
                     let inner = Item::from_ty(
                         ty.elem_type().as_ref().unwrap(),
                         location,