diff --git a/src/loaders/lottie/jerryscript/jerry-core/ecma/base/ecma-helpers-string.cpp b/src/loaders/lottie/jerryscript/jerry-core/ecma/base/ecma-helpers-string.cpp
index 2b186a8e..10f1266f 100644
--- a/src/loaders/lottie/jerryscript/jerry-core/ecma/base/ecma-helpers-string.cpp
+++ b/src/loaders/lottie/jerryscript/jerry-core/ecma/base/ecma-helpers-string.cpp
@@ -1605,7 +1605,7 @@ ecma_compare_ecma_strings_longpath (const ecma_string_t *string1_p, /**< ecma-st
                                     const ecma_string_t *string2_p) /**< ecma-string */
 {
   const lit_utf8_byte_t *utf8_string1_p, *utf8_string2_p;
-  lit_utf8_size_t string1_size_and_length[2], string2_size_and_length[2];
+  lit_utf8_size_t string1_size_and_length[2] = { 0, 0 }, string2_size_and_length[2] = { 0, 0 };
 
   utf8_string1_p = ecma_compare_get_string_chars (string1_p, string1_size_and_length);
   utf8_string2_p = ecma_compare_get_string_chars (string2_p, string2_size_and_length);
diff --git a/src/loaders/lottie/jerryscript/jerry-core/parser/js/js-parser-internal.h b/src/loaders/lottie/jerryscript/jerry-core/parser/js/js-parser-internal.h
index 14ee21c1..3e02dbef 100644
--- a/src/loaders/lottie/jerryscript/jerry-core/parser/js/js-parser-internal.h
+++ b/src/loaders/lottie/jerryscript/jerry-core/parser/js/js-parser-internal.h
@@ -292,7 +292,7 @@ typedef struct
  * All data allocated by the parser is
  * stored in parser_data_pages in the memory.
  */
-#if defined(_WIN32)
+#if defined(_MSC_VER )
 #pragma warning(push)
 #pragma warning(disable:4200)
 #endif
@@ -301,7 +301,7 @@ typedef struct parser_mem_page_t
   struct parser_mem_page_t *next_p; /**< next page */
   uint8_t bytes[]; /**< memory bytes, C99 flexible array member */
 } parser_mem_page_t;
-#if defined(_WIN32)
+#if defined(_MSC_VER)
 #pragma warning(pop)
 #endif