diff --git a/cmake/recipes/predicates.cmake b/cmake/recipes/predicates.cmake
index 83735b084e..145c94e531 100644
--- a/cmake/recipes/predicates.cmake
+++ b/cmake/recipes/predicates.cmake
@@ -8,10 +8,10 @@ include(CPM)
     CPMAddPackage(
     NAME predicates
     GITHUB_REPOSITORY wildmeshing/libigl-predicates
-    GIT_TAG        f1fcce5d20d5a8e887cb694dc6aeaafab9ca1e29
+    GIT_TAG 83b924928a12d9b578968508b303f90c738d6deb 
 )
 
 FetchContent_MakeAvailable(predicates)
 add_library(predicates::predicates ALIAS predicates)
 
-set_target_properties(predicates PROPERTIES FOLDER third_party)
\ No newline at end of file
+set_target_properties(predicates PROPERTIES FOLDER third_party)
diff --git a/src/wmtk/io/MshReader.cpp b/src/wmtk/io/MshReader.cpp
index a71fb62b95..86f1125933 100644
--- a/src/wmtk/io/MshReader.cpp
+++ b/src/wmtk/io/MshReader.cpp
@@ -2,6 +2,7 @@
 #include <wmtk/utils/mesh_type_from_primitive_type.hpp>
 
 #include <set>
+#include <predicates.h>
 
 #include <wmtk/EdgeMesh.hpp>
 #include <wmtk/PointMesh.hpp>
@@ -13,7 +14,6 @@
 #include <wmtk/utils/orient.hpp>
 
 #include "mshio/MshSpec.h"
-#include "predicates.h"
 
 namespace wmtk::io {
 MshReader::MshReader() = default;
@@ -372,7 +372,7 @@ template <>
 void MshReader::validate<3>()
 {
     assert(V.cols() == 3);
-    exactinit();
+    igl_predicates::exactinit();
     {
         // check inversion
 
@@ -423,4 +423,4 @@ void MshReader::validate<3>()
         }
     }
 }
-} // namespace wmtk::io
\ No newline at end of file
+} // namespace wmtk::io
diff --git a/src/wmtk/utils/orient.cpp b/src/wmtk/utils/orient.cpp
index e31f58c77f..64e6eadafe 100644
--- a/src/wmtk/utils/orient.cpp
+++ b/src/wmtk/utils/orient.cpp
@@ -38,7 +38,7 @@ void exactinit()
         }
 
     private:
-        MySingleton() { ::exactinit(); }
+        MySingleton() { igl_predicates::exactinit(); }
     };
     MySingleton::instance();
 }
@@ -164,7 +164,7 @@ int wmtk_orient3d(
     Eigen::Vector3d p3nc = p3;
 
     exactinit();
-    const auto res = orient3d(p0nc.data(), p1nc.data(), p2nc.data(), p3nc.data());
+    const auto res = igl_predicates::orient3d(p0nc.data(), p1nc.data(), p2nc.data(), p3nc.data());
 
     if (res > 0)
         return 1;
@@ -181,7 +181,7 @@ int wmtk_orient2d(double p0x, double p0y, double p1x, double p1y, double p2x, do
     double p0[2]{p0x, p0y};
     double p1[2]{p1x, p1y};
     double p2[2]{p2x, p2y};
-    const auto res = orient2d(p0, p1, p2);
+    const auto res = igl_predicates::orient2d(p0, p1, p2);
 
     if (res > 0)
         return 1;
@@ -254,7 +254,7 @@ int wmtk_orient2d(
     Eigen::Vector2d p2nc = p2;
 
     exactinit();
-    const auto res = orient2d(p0nc.data(), p1nc.data(), p2nc.data());
+    const auto res = igl_predicates::orient2d(p0nc.data(), p1nc.data(), p2nc.data());
 
     if (res > 0)
         return 1;
diff --git a/tests/test_3d_invariants.cpp b/tests/test_3d_invariants.cpp
index 8f8286ba58..e0499253d6 100644
--- a/tests/test_3d_invariants.cpp
+++ b/tests/test_3d_invariants.cpp
@@ -16,7 +16,7 @@ using namespace wmtk::invariants;
 
 TEST_CASE("tet_inversion_invariant", "[invariants][3D]")
 {
-    exactinit();
+    igl_predicates::exactinit();
     DEBUG_TetMesh m = single_tet();
     auto position_handle = m.register_attribute<double>("vertices", PrimitiveType::Vertex, 3);
     auto position_accessor = m.create_accessor<double>(position_handle);
@@ -47,8 +47,8 @@ TEST_CASE("tet_inversion_invariant", "[invariants][3D]")
     Tuple t = v0;
 
 
-    std::cout << orient3d(p0.data(), p1.data(), p2.data(), p3.data()) << std::endl;
-    CHECK(orient3d(p0.data(), p1.data(), p2.data(), p3.data()) > 0);
+    std::cout << igl_predicates::orient3d(p0.data(), p1.data(), p2.data(), p3.data()) << std::endl;
+    CHECK(igl_predicates::orient3d(p0.data(), p1.data(), p2.data(), p3.data()) > 0);
     CHECK(wmtk::utils::wmtk_orient3d(p0, p1, p2, p3) > 0);
 
     for (const auto& t : m.get_all(PrimitiveType::Triangle)) {
@@ -80,7 +80,7 @@ TEST_CASE("tet_inversion_invariant", "[invariants][3D]")
 
 TEST_CASE("tet_rational_inversion_invariant", "[invariants][3D]")
 {
-    exactinit();
+    igl_predicates::exactinit();
     DEBUG_TetMesh m = single_tet();
     auto position_handle = m.register_attribute<Rational>("vertices", PrimitiveType::Vertex, 3);
     auto position_accessor = m.create_accessor<Rational>(position_handle);
@@ -143,4 +143,4 @@ TEST_CASE("orient3d", "[invariants][3D]")
 
     REQUIRE(utils::wmtk_orient3d(v0, v1, v2, v3) == utils::wmtk_orient3d(v0d, v1d, v2d, v3d));
     REQUIRE(utils::wmtk_orient3d(v0, v2, v1, v3) == utils::wmtk_orient3d(v0d, v2d, v1d, v3d));
-}
\ No newline at end of file
+}