diff --git a/cppcheck_suppressions.conf b/cppcheck_suppressions.conf
index 2f3b87e03..0fddc704f 100644
--- a/cppcheck_suppressions.conf
+++ b/cppcheck_suppressions.conf
@@ -16,11 +16,17 @@ uninitMemberVar:src/blackmisc/optional.h
 unusedPrivateFunction:src/blackmisc/tuple_private.h
 unusedPrivateFunction:src/blackmisc/blackmiscfreefunctions.h
 unusedPrivateFunction:src/blackmisc/compare.h
+unusedPrivateFunction:src/blackmisc/lockfree.h
+
+unusedPrivateFunction:src/blackmisc/dictionary.h
 
 // cppcheck shouldn’t assume operator* is commutative
 duplicateExpression:tests/blackmisc/testvectormatrix.cpp
 duplicateExpression:tests/blackmisc/testphysicalquantities.cpp
 
+// Ignore intentional hiding
+variableHidingEnum:src/blackmisc/statusmessage.h
+
 // Ignore any preprocessor directives.
 preprocessorErrorDirective
 
diff --git a/src/blackmisc/dictionary.h b/src/blackmisc/dictionary.h
index 465ca00c7..01492f485 100644
--- a/src/blackmisc/dictionary.h
+++ b/src/blackmisc/dictionary.h
@@ -256,6 +256,7 @@ namespace BlackMisc
             {
                 QJsonValueRef jsonKey = (*it);
                 ++it;
+                if (it == array.end()) { qWarning("Odd number of elements in CDictionary::convertFromJson"); return; }
                 QJsonValueRef jsonValue = (*it);
                 Key key;
                 Value value;