diff --git a/src/backend/metal/SwapChainMTL.h b/src/backend/metal/SwapChainMTL.h
index a20e811d28..55d0a0358b 100644
--- a/src/backend/metal/SwapChainMTL.h
+++ b/src/backend/metal/SwapChainMTL.h
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#ifndef BACKEND_METAL_SWAPCHAINGL_H_
-#define BACKEND_METAL_SWAPCHAINGL_H_
+#ifndef BACKEND_METAL_SWAPCHAINMTL_H_
+#define BACKEND_METAL_SWAPCHAINMTL_H_
 
 #include "backend/SwapChain.h"
 
@@ -32,4 +32,4 @@ namespace backend { namespace metal {
 
 }}  // namespace backend::metal
 
-#endif  // BACKEND_METAL_SWAPCHAINGL_H_
+#endif  // BACKEND_METAL_SWAPCHAINMTL_H_
diff --git a/src/backend/opengl/BlendStateGL.h b/src/backend/opengl/BlendStateGL.h
index 499692d05e..c0a677ab52 100644
--- a/src/backend/opengl/BlendStateGL.h
+++ b/src/backend/opengl/BlendStateGL.h
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#ifndef BACKEND_OPENGL_BLENDSTATED3D12_H_
-#define BACKEND_OPENGL_BLENDSTATED3D12_H_
+#ifndef BACKEND_OPENGL_BLENDSTATEGL_H_
+#define BACKEND_OPENGL_BLENDSTATEGL_H_
 
 #include "backend/BlendState.h"
 
@@ -30,4 +30,4 @@ namespace backend { namespace opengl {
 
 }}  // namespace backend::opengl
 
-#endif  // BACKEND_OPENGL_BLENDSTATED3D12_H_
+#endif  // BACKEND_OPENGL_BLENDSTATEGL_H_
diff --git a/src/backend/opengl/PersistentPipelineStateGL.h b/src/backend/opengl/PersistentPipelineStateGL.h
index a084a4277e..e9b4b7c7eb 100644
--- a/src/backend/opengl/PersistentPipelineStateGL.h
+++ b/src/backend/opengl/PersistentPipelineStateGL.h
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#ifndef BACKEND_OPENGL_PERSISTENTPIPELINESTATE_H_
-#define BACKEND_OPENGL_PERSISTENTPIPELINESTATE_H_
+#ifndef BACKEND_OPENGL_PERSISTENTPIPELINESTATEGL_H_
+#define BACKEND_OPENGL_PERSISTENTPIPELINESTATEGL_H_
 
 #include "nxt/nxtcpp.h"
 
@@ -40,4 +40,4 @@ namespace backend { namespace opengl {
 
 }}  // namespace backend::opengl
 
-#endif  // BACKEND_OPENGL_PERSISTENTPIPELINESTATE_H_
+#endif  // BACKEND_OPENGL_PERSISTENTPIPELINESTATEGL_H_
diff --git a/src/backend/vulkan/InputStateVk.h b/src/backend/vulkan/InputStateVk.h
index 9cb516994f..c2d4f61294 100644
--- a/src/backend/vulkan/InputStateVk.h
+++ b/src/backend/vulkan/InputStateVk.h
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#ifndef BACKEND_VULKAN_INPUTSTATE_H_
-#define BACKEND_VULKAN_INPUTSTATE_H_
+#ifndef BACKEND_VULKAN_INPUTSTATEVK_H_
+#define BACKEND_VULKAN_INPUTSTATEVK_H_
 
 #include "backend/InputState.h"
 
@@ -38,4 +38,4 @@ namespace backend { namespace vulkan {
 
 }}  // namespace backend::vulkan
 
-#endif  // BACKEND_VULKAN_INPUTSTATE_H_
+#endif  // BACKEND_VULKAN_INPUTSTATEVK_H_