diff --git a/.github/workflows/ci-checks.yml b/.github/workflows/ci-checks.yml
index a219be667..66146a119 100644
--- a/.github/workflows/ci-checks.yml
+++ b/.github/workflows/ci-checks.yml
@@ -25,12 +25,12 @@ jobs:
             - name: run cppcheck and check for errors
               run: |
                   cppcheck --version
-                  cppcheck --force --error-exitcode=1 --language=c++ --std=c++20 --enable=warning,performance,portability  --suppress=memleak --check-level=exhaustive .
+                  cppcheck --force --error-exitcode=1 --language=c++ --std=c++20 --enable=warning,performance,portability  --suppress=memleak --suppress=passedByValue --check-level=exhaustive .
 
             - name: show cppcheck style suggestions
               run: |
                   cppcheck --version
-                  cppcheck --force --language=c++ --std=c++20 --enable=style --suppress=knownConditionTrueFalse --check-level=exhaustive .
+                  cppcheck --force --language=c++ --std=c++20 --enable=style,performance --suppress=knownConditionTrueFalse --check-level=exhaustive .
 
     clang-format:
         runs-on: ubuntu-24.04
diff --git a/grid.cc b/grid.cc
index 17a67d2a1..43ce58dc5 100644
--- a/grid.cc
+++ b/grid.cc
@@ -1484,10 +1484,10 @@ auto get_poscoordpointnum(const double pos, const double time, const int axis) -
         return n_r;
       }
     }
-    assert_always(false);
-  } else {
-    assert_always(false);
   }
+
+  assert_always(false);
+  return -1;
 }
 
 constexpr auto get_gridcoords_from_xyz(const std::array<double, 3> pos_xyz) -> std::array<double, 3> {
diff --git a/sn3d.h b/sn3d.h
index 927a210c7..254d8fe90 100644
--- a/sn3d.h
+++ b/sn3d.h
@@ -102,7 +102,7 @@ inline thread_local auto gslworkspace =
 #define __artis_assert(e)                         \
   {                                               \
     const bool assertpass = static_cast<bool>(e); \
-    assert(assertpass)                            \
+    assert(assertpass);                           \
   }
 
 #else