diff --git a/intern/cycles/kernel/bvh/bvh_traversal.h b/intern/cycles/kernel/bvh/bvh_traversal.h
index c80a769ffa6..e85716df33f 100644
--- a/intern/cycles/kernel/bvh/bvh_traversal.h
+++ b/intern/cycles/kernel/bvh/bvh_traversal.h
@@ -297,7 +297,7 @@ ccl_device_noinline bool BVH_FUNCTION_FULL_NAME(BVH)(KernelGlobals *kg,
 						case PRIMITIVE_MOTION_CURVE: {
 							for(; prim_addr < prim_addr2; prim_addr++) {
 								BVH_DEBUG_NEXT_INTERSECTION();
-								kernel_assert(kernel_tex_fetch(__prim_type, prim_addr) == type);
+								kernel_assert((kernel_tex_fetch(__prim_type, prim_addr) & PRIMITIVE_ALL) == (type & PRIMITIVE_ALL));
 								bool hit;
 								if(kernel_data.curve.curveflags & CURVE_KN_INTERPOLATE) {
 									hit = bvh_cardinal_curve_intersect(kg,
diff --git a/intern/cycles/kernel/bvh/qbvh_traversal.h b/intern/cycles/kernel/bvh/qbvh_traversal.h
index 1846a6073ac..c51b3a91153 100644
--- a/intern/cycles/kernel/bvh/qbvh_traversal.h
+++ b/intern/cycles/kernel/bvh/qbvh_traversal.h
@@ -372,7 +372,7 @@ ccl_device bool BVH_FUNCTION_FULL_NAME(QBVH)(KernelGlobals *kg,
 						case PRIMITIVE_MOTION_CURVE: {
 							for(; prim_addr < prim_addr2; prim_addr++) {
 								BVH_DEBUG_NEXT_INTERSECTION();
-								kernel_assert(kernel_tex_fetch(__prim_type, prim_addr) == type);
+								kernel_assert((kernel_tex_fetch(__prim_type, prim_addr) & PRIMITIVE_ALL) == (type & PRIMITIVE_ALL));
 								bool hit;
 								if(kernel_data.curve.curveflags & CURVE_KN_INTERPOLATE) {
 									hit = bvh_cardinal_curve_intersect(kg,