diff --git a/jerry-main/main-unix-snapshot.c b/jerry-main/main-unix-snapshot.c
index 82e090683..af66e2626 100644
--- a/jerry-main/main-unix-snapshot.c
+++ b/jerry-main/main-unix-snapshot.c
@@ -172,7 +172,7 @@ print_unhandled_exception (jerry_value_t error_value) /**< error value */
     return;
   }
 
-  jerry_size_t err_str_size = jerry_get_string_size (err_str_val);
+  jerry_size_t err_str_size = jerry_get_utf8_string_size (err_str_val);
 
   if (err_str_size >= 256)
   {
@@ -182,7 +182,7 @@ print_unhandled_exception (jerry_value_t error_value) /**< error value */
   }
 
   jerry_char_t err_str_buf[256];
-  jerry_size_t string_end = jerry_string_to_char_buffer (err_str_val, err_str_buf, err_str_size);
+  jerry_size_t string_end = jerry_string_to_utf8_char_buffer (err_str_val, err_str_buf, err_str_size);
   assert (string_end == err_str_size);
   err_str_buf[string_end] = 0;
 
diff --git a/jerry-main/main-unix.c b/jerry-main/main-unix.c
index cc91b60cd..2020bd0c8 100644
--- a/jerry-main/main-unix.c
+++ b/jerry-main/main-unix.c
@@ -118,7 +118,7 @@ print_unhandled_exception (jerry_value_t error_value) /**< error value */
         if (!jerry_value_is_error (item_val)
             && jerry_value_is_string (item_val))
         {
-          jerry_size_t str_size = jerry_get_string_size (item_val);
+          jerry_size_t str_size = jerry_get_utf8_string_size (item_val);
 
           if (str_size >= 256)
           {
@@ -126,7 +126,7 @@ print_unhandled_exception (jerry_value_t error_value) /**< error value */
           }
           else
           {
-            jerry_size_t string_end = jerry_string_to_char_buffer (item_val, err_str_buf, str_size);
+            jerry_size_t string_end = jerry_string_to_utf8_char_buffer (item_val, err_str_buf, str_size);
             assert (string_end == str_size);
             err_str_buf[string_end] = 0;
 
@@ -141,7 +141,7 @@ print_unhandled_exception (jerry_value_t error_value) /**< error value */
   }
 
   jerry_value_t err_str_val = jerry_value_to_string (error_value);
-  jerry_size_t err_str_size = jerry_get_string_size (err_str_val);
+  jerry_size_t err_str_size = jerry_get_utf8_string_size (err_str_val);
 
   if (err_str_size >= 256)
   {
diff --git a/targets/curie_bsp/jerry_app/quark/main.c b/targets/curie_bsp/jerry_app/quark/main.c
index b14b532c9..2aee9143f 100644
--- a/targets/curie_bsp/jerry_app/quark/main.c
+++ b/targets/curie_bsp/jerry_app/quark/main.c
@@ -48,9 +48,9 @@ void jerry_resolve_error (jerry_value_t ret_value)
   {
     ret_value = jerry_get_value_from_error (ret_value, true);
     jerry_value_t err_str_val = jerry_value_to_string (ret_value);
-    jerry_size_t err_str_size = jerry_get_string_size (err_str_val);
+    jerry_size_t err_str_size = jerry_get_utf8_string_size (err_str_val);
     jerry_char_t *err_str_buf = (jerry_char_t *) balloc (err_str_size, NULL);
-    jerry_size_t sz = jerry_string_to_char_buffer (err_str_val, err_str_buf, err_str_size);
+    jerry_size_t sz = jerry_string_to_utf8_char_buffer (err_str_val, err_str_buf, err_str_size);
     err_str_buf[sz] = 0;
     printk ("Script Error: unhandled exception: %s\n", err_str_buf);
     bfree(err_str_buf);
diff --git a/targets/esp8266/user/jerry_extapi.c b/targets/esp8266/user/jerry_extapi.c
index 8b5afb088..96395b1d0 100644
--- a/targets/esp8266/user/jerry_extapi.c
+++ b/targets/esp8266/user/jerry_extapi.c
@@ -55,7 +55,7 @@ DELCARE_HANDLER(print) {
     {
       if (jerry_value_is_string (args_p[cc]))
       {
-        jerry_size_t size = jerry_get_string_size (args_p[0]);
+        jerry_size_t size = jerry_get_utf8_string_size (args_p[0]);
         char *buffer;
         buffer = (char *) malloc(size + 1);
 
@@ -66,9 +66,9 @@ DELCARE_HANDLER(print) {
             continue;
         }
 
-        jerry_string_to_char_buffer (args_p[cc],
-                                     (jerry_char_t *) buffer,
-                                     size);
+        jerry_string_to_utf8_char_buffer (args_p[cc],
+                                          (jerry_char_t *) buffer,
+                                          size);
         *(buffer + size) = 0;
         printf("%s ", buffer);
         free (buffer);
diff --git a/targets/nuttx-stm32f4/jerry_main.c b/targets/nuttx-stm32f4/jerry_main.c
index 36d10f38a..1afd18e45 100644
--- a/targets/nuttx-stm32f4/jerry_main.c
+++ b/targets/nuttx-stm32f4/jerry_main.c
@@ -160,7 +160,7 @@ print_unhandled_exception (jerry_value_t error_value) /**< error value */
 
   error_value = jerry_get_value_from_error (error_value, false);
   jerry_value_t err_str_val = jerry_value_to_string (error_value);
-  jerry_size_t err_str_size = jerry_get_string_size (err_str_val);
+  jerry_size_t err_str_size = jerry_get_utf8_string_size (err_str_val);
   jerry_char_t err_str_buf[256];
 
   jerry_release_value (error_value);
diff --git a/targets/tizenrt-artik053/apps/jerryscript/jerry_main.c b/targets/tizenrt-artik053/apps/jerryscript/jerry_main.c
index b407f2d19..490844da4 100644
--- a/targets/tizenrt-artik053/apps/jerryscript/jerry_main.c
+++ b/targets/tizenrt-artik053/apps/jerryscript/jerry_main.c
@@ -132,7 +132,7 @@ print_unhandled_exception (jerry_value_t error_value) /**< error value */
 
   error_value = jerry_get_value_from_error (error_value, false);
   jerry_value_t err_str_val = jerry_value_to_string (error_value);
-  jerry_size_t err_str_size = jerry_get_string_size (err_str_val);
+  jerry_size_t err_str_size = jerry_get_utf8_string_size (err_str_val);
   jerry_char_t err_str_buf[256];
 
   jerry_release_value (error_value);
diff --git a/tests/jerry/fail/regression-test-issue-2993.js b/tests/jerry/fail/regression-test-issue-2993.js
new file mode 100644
index 000000000..8488541f9
--- /dev/null
+++ b/tests/jerry/fail/regression-test-issue-2993.js
@@ -0,0 +1,15 @@
+// Copyright JS Foundation and other contributors, http://js.foundation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+throw new SyntaxError("𐐀");