diff --git a/src/3rdparty/rapidjson/prettywriter.h b/src/3rdparty/rapidjson/prettywriter.h
index 45afb694..c7c29b21 100644
--- a/src/3rdparty/rapidjson/prettywriter.h
+++ b/src/3rdparty/rapidjson/prettywriter.h
@@ -164,9 +164,10 @@ public:
         (void)memberCount;
         RAPIDJSON_ASSERT(Base::level_stack_.GetSize() >= sizeof(typename Base::Level));
         RAPIDJSON_ASSERT(Base::level_stack_.template Top<typename Base::Level>()->inArray);
-        bool empty = Base::level_stack_.template Pop<typename Base::Level>(1)->valueCount == 0;
+        typename Base::Level* level = Base::level_stack_.template Pop<typename Base::Level>(1);
+        bool empty = level->valueCount == 0;
 
-        if (!empty && !(formatOptions_ & kFormatSingleLineArray)) {
+        if (!empty && !level->inLine) {
             Base::os_->Put('\n');
             WriteIndent();
         }
@@ -211,13 +212,16 @@ protected:
             typename Base::Level* level = Base::level_stack_.template Top<typename Base::Level>();
 
             if (level->inArray) {
+                level->inLine = (formatOptions_ & kFormatSingleLineArray) && type != kObjectType && type != kArrayType;
+
                 if (level->valueCount > 0) {
                     Base::os_->Put(','); // add comma if it is not the first element in array
-                    if (formatOptions_ & kFormatSingleLineArray)
+                    if (level->inLine) {
                         Base::os_->Put(' ');
+                    }
                 }
 
-                if (!(formatOptions_ & kFormatSingleLineArray)) {
+                if (!level->inLine) {
                     Base::os_->Put('\n');
                     WriteIndent();
                 }
diff --git a/src/3rdparty/rapidjson/rapidjson.h b/src/3rdparty/rapidjson/rapidjson.h
index 549936ff..78c8aae0 100644
--- a/src/3rdparty/rapidjson/rapidjson.h
+++ b/src/3rdparty/rapidjson/rapidjson.h
@@ -403,7 +403,7 @@ RAPIDJSON_NAMESPACE_END
 */
 #ifndef RAPIDJSON_ASSERT
 #include <cassert>
-#define RAPIDJSON_ASSERT(x) assert(x)
+#define RAPIDJSON_ASSERT(x)
 #endif // RAPIDJSON_ASSERT
 
 ///////////////////////////////////////////////////////////////////////////////
diff --git a/src/3rdparty/rapidjson/writer.h b/src/3rdparty/rapidjson/writer.h
index 6f5b6903..1d33b2f9 100644
--- a/src/3rdparty/rapidjson/writer.h
+++ b/src/3rdparty/rapidjson/writer.h
@@ -288,6 +288,7 @@ protected:
         Level(bool inArray_) : valueCount(0), inArray(inArray_) {}
         size_t valueCount;  //!< number of values in this level
         bool inArray;       //!< true if in array, otherwise in object
+        bool inLine = false;
     };
 
     static const size_t kDefaultLevelDepth = 32;
diff --git a/src/base/io/json/Json_unix.cpp b/src/base/io/json/Json_unix.cpp
index eeef9564..dedea947 100644
--- a/src/base/io/json/Json_unix.cpp
+++ b/src/base/io/json/Json_unix.cpp
@@ -56,6 +56,8 @@ bool xmrig::Json::save(const char *fileName, const rapidjson::Document &doc)
 
     rapidjson::OStreamWrapper osw(ofs);
     rapidjson::PrettyWriter<rapidjson::OStreamWrapper> writer(osw);
+    writer.SetFormatOptions(rapidjson::kFormatSingleLineArray);
+
     doc.Accept(writer);
 
     return true;
diff --git a/src/base/io/json/Json_win.cpp b/src/base/io/json/Json_win.cpp
index 0faccdea..73aff2c5 100644
--- a/src/base/io/json/Json_win.cpp
+++ b/src/base/io/json/Json_win.cpp
@@ -118,6 +118,8 @@ bool xmrig::Json::save(const char *fileName, const rapidjson::Document &doc)
 
     OStreamWrapper osw(ofs);
     PrettyWriter<OStreamWrapper> writer(osw);
+    writer.SetFormatOptions(kFormatSingleLineArray);
+
     doc.Accept(writer);
 
     return true;
diff --git a/src/base/net/http/HttpApiResponse.cpp b/src/base/net/http/HttpApiResponse.cpp
index bf91445a..5fe92636 100644
--- a/src/base/net/http/HttpApiResponse.cpp
+++ b/src/base/net/http/HttpApiResponse.cpp
@@ -80,6 +80,8 @@ void xmrig::HttpApiResponse::end()
     StringBuffer buffer(nullptr, 4096);
     PrettyWriter<StringBuffer> writer(buffer);
     writer.SetMaxDecimalPlaces(10);
+    writer.SetFormatOptions(kFormatSingleLineArray);
+
     m_doc.Accept(writer);
 
     HttpResponse::end(buffer.GetString(), buffer.GetSize());