diff --git a/src/lib_json/json_reader.cpp b/src/lib_json/json_reader.cpp
index 8d092737e..ecf3cee84 100644
--- a/src/lib_json/json_reader.cpp
+++ b/src/lib_json/json_reader.cpp
@@ -905,6 +905,8 @@ OurFeatures::OurFeatures()
     , allowDroppedNullPlaceholders_(false), allowNumericKeys_(false)
     , allowSingleQuotes_(false)
     , failIfExtra_(false)
+    , rejectDupKeys_(false)
+    , stackLimit_(1000)
 {
 }
 
@@ -1032,7 +1034,7 @@ class OurReader {
 
 OurReader::OurReader(OurFeatures const& features)
     : errors_(), document_(), begin_(), end_(), current_(), lastValueEnd_(),
-      lastValue_(), commentsBefore_(), features_(features), collectComments_() {
+      lastValue_(), commentsBefore_(), stackDepth_(0), features_(features), collectComments_() {
 }
 
 bool OurReader::parse(const char* beginDoc,
diff --git a/src/lib_json/json_writer.cpp b/src/lib_json/json_writer.cpp
index 89cd65131..d9b9a788e 100644
--- a/src/lib_json/json_writer.cpp
+++ b/src/lib_json/json_writer.cpp
@@ -585,6 +585,7 @@ bool StyledWriter::hasCommentForValue(const Value& value) {
 
 StyledStreamWriter::StyledStreamWriter(std::string indentation)
     : document_(NULL), rightMargin_(74), indentation_(indentation),
+      indented_(true),
       addChildValues_() {}
 
 void StyledStreamWriter::write(std::ostream& out, const Value& root) {