diff --git a/core/base/src/TROOT.cxx b/core/base/src/TROOT.cxx
index 85edbf60201a8..0ad84cf5c6a37 100644
--- a/core/base/src/TROOT.cxx
+++ b/core/base/src/TROOT.cxx
@@ -340,6 +340,7 @@ namespace {
             try {
                desiredValue = std::stoi(env);
             } catch (std::invalid_argument &e) {
+               (void)e;
                Error("TROOT", "%s should be 0 or 1", envName);
             }
             if (desiredValue == 0) {
diff --git a/roofit/roofitcore/src/RooLinkedList.cxx b/roofit/roofitcore/src/RooLinkedList.cxx
index a0989358f33d8..a16a26044c9d2 100644
--- a/roofit/roofitcore/src/RooLinkedList.cxx
+++ b/roofit/roofitcore/src/RooLinkedList.cxx
@@ -68,7 +68,7 @@ namespace RooLinkedListImplDetails {
       ~Chunk() { delete[] _chunk; }
       /// chunk capacity
       Int_t capacity() const
-      { return (1 << _sz) / sizeof(RooLinkedListElem); }
+      { return (1ULL << _sz) / sizeof(RooLinkedListElem); }
       /// chunk free elements
       Int_t free() const { return _free; }
       /// chunk occupied elements