diff --git a/pytorch3d/csrc/ball_query/ball_query.h b/pytorch3d/csrc/ball_query/ball_query.h
index 059cad8b..eb8f54da 100644
--- a/pytorch3d/csrc/ball_query/ball_query.h
+++ b/pytorch3d/csrc/ball_query/ball_query.h
@@ -81,6 +81,8 @@ inline std::tuple<at::Tensor, at::Tensor> BallQuery(
     AT_ERROR("Not compiled with GPU support.");
 #endif
   }
+  CHECK_CPU(p1);
+  CHECK_CPU(p2);
   return BallQueryCpu(
       p1.contiguous(),
       p2.contiguous(),
diff --git a/pytorch3d/csrc/blending/sigmoid_alpha_blend.h b/pytorch3d/csrc/blending/sigmoid_alpha_blend.h
index d424c769..8b023b61 100644
--- a/pytorch3d/csrc/blending/sigmoid_alpha_blend.h
+++ b/pytorch3d/csrc/blending/sigmoid_alpha_blend.h
@@ -98,6 +98,11 @@ at::Tensor SigmoidAlphaBlendBackward(
     AT_ERROR("Not compiled with GPU support.");
 #endif
   }
+  CHECK_CPU(distances);
+  CHECK_CPU(pix_to_face);
+  CHECK_CPU(alphas);
+  CHECK_CPU(grad_alphas);
+
   return SigmoidAlphaBlendBackwardCpu(
       grad_alphas, alphas, distances, pix_to_face, sigma);
 }
diff --git a/pytorch3d/csrc/compositing/alpha_composite.h b/pytorch3d/csrc/compositing/alpha_composite.h
index 44ba1bf0..a9ec7b43 100644
--- a/pytorch3d/csrc/compositing/alpha_composite.h
+++ b/pytorch3d/csrc/compositing/alpha_composite.h
@@ -74,6 +74,9 @@ torch::Tensor alphaCompositeForward(
     AT_ERROR("Not compiled with GPU support");
 #endif
   } else {
+    CHECK_CPU(features);
+    CHECK_CPU(alphas);
+    CHECK_CPU(points_idx);
     return alphaCompositeCpuForward(features, alphas, points_idx);
   }
 }
@@ -101,6 +104,11 @@ std::tuple<torch::Tensor, torch::Tensor> alphaCompositeBackward(
     AT_ERROR("Not compiled with GPU support");
 #endif
   } else {
+    CHECK_CPU(grad_outputs);
+    CHECK_CPU(features);
+    CHECK_CPU(alphas);
+    CHECK_CPU(points_idx);
+
     return alphaCompositeCpuBackward(
         grad_outputs, features, alphas, points_idx);
   }
diff --git a/pytorch3d/csrc/compositing/norm_weighted_sum.h b/pytorch3d/csrc/compositing/norm_weighted_sum.h
index 5d0a5f5b..5f72ee2d 100644
--- a/pytorch3d/csrc/compositing/norm_weighted_sum.h
+++ b/pytorch3d/csrc/compositing/norm_weighted_sum.h
@@ -73,6 +73,10 @@ torch::Tensor weightedSumNormForward(
     AT_ERROR("Not compiled with GPU support");
 #endif
   } else {
+    CHECK_CPU(features);
+    CHECK_CPU(alphas);
+    CHECK_CPU(points_idx);
+
     return weightedSumNormCpuForward(features, alphas, points_idx);
   }
 }
@@ -100,6 +104,11 @@ std::tuple<torch::Tensor, torch::Tensor> weightedSumNormBackward(
     AT_ERROR("Not compiled with GPU support");
 #endif
   } else {
+    CHECK_CPU(grad_outputs);
+    CHECK_CPU(features);
+    CHECK_CPU(alphas);
+    CHECK_CPU(points_idx);
+
     return weightedSumNormCpuBackward(
         grad_outputs, features, alphas, points_idx);
   }
diff --git a/pytorch3d/csrc/compositing/weighted_sum.h b/pytorch3d/csrc/compositing/weighted_sum.h
index 0be6e498..cdc3fdf5 100644
--- a/pytorch3d/csrc/compositing/weighted_sum.h
+++ b/pytorch3d/csrc/compositing/weighted_sum.h
@@ -72,6 +72,9 @@ torch::Tensor weightedSumForward(
     AT_ERROR("Not compiled with GPU support");
 #endif
   } else {
+    CHECK_CPU(features);
+    CHECK_CPU(alphas);
+    CHECK_CPU(points_idx);
     return weightedSumCpuForward(features, alphas, points_idx);
   }
 }
@@ -98,6 +101,11 @@ std::tuple<torch::Tensor, torch::Tensor> weightedSumBackward(
     AT_ERROR("Not compiled with GPU support");
 #endif
   } else {
+    CHECK_CPU(grad_outputs);
+    CHECK_CPU(features);
+    CHECK_CPU(alphas);
+    CHECK_CPU(points_idx);
+
     return weightedSumCpuBackward(grad_outputs, features, alphas, points_idx);
   }
 }
diff --git a/pytorch3d/csrc/face_areas_normals/face_areas_normals.h b/pytorch3d/csrc/face_areas_normals/face_areas_normals.h
index 6df37c12..201abd28 100644
--- a/pytorch3d/csrc/face_areas_normals/face_areas_normals.h
+++ b/pytorch3d/csrc/face_areas_normals/face_areas_normals.h
@@ -60,6 +60,8 @@ std::tuple<at::Tensor, at::Tensor> FaceAreasNormalsForward(
     AT_ERROR("Not compiled with GPU support.");
 #endif
   }
+  CHECK_CPU(verts);
+  CHECK_CPU(faces);
   return FaceAreasNormalsForwardCpu(verts, faces);
 }
 
@@ -80,5 +82,9 @@ at::Tensor FaceAreasNormalsBackward(
     AT_ERROR("Not compiled with GPU support.");
 #endif
   }
+  CHECK_CPU(grad_areas);
+  CHECK_CPU(grad_normals);
+  CHECK_CPU(verts);
+  CHECK_CPU(faces);
   return FaceAreasNormalsBackwardCpu(grad_areas, grad_normals, verts, faces);
 }
diff --git a/pytorch3d/csrc/utils/pytorch3d_cutils.h b/pytorch3d/csrc/utils/pytorch3d_cutils.h
index 48d04546..c1856eca 100644
--- a/pytorch3d/csrc/utils/pytorch3d_cutils.h
+++ b/pytorch3d/csrc/utils/pytorch3d_cutils.h
@@ -15,3 +15,7 @@
 #define CHECK_CONTIGUOUS_CUDA(x) \
   CHECK_CUDA(x);                 \
   CHECK_CONTIGUOUS(x)
+#define CHECK_CPU(x)                    \
+  TORCH_CHECK(                          \
+      x.device().type() == torch::kCPU, \
+      "Cannot use CPU implementation: " #x " not on CPU.")