diff --git a/client/jansson/load.c b/client/jansson/load.c
index 899ec504..7c8805b8 100644
--- a/client/jansson/load.c
+++ b/client/jansson/load.c
@@ -89,7 +89,7 @@ static void error_set(json_error_t *error, const lex_t *lex,
 {
     va_list ap;
     char msg_text[JSON_ERROR_TEXT_LENGTH];
-    char msg_with_context[JSON_ERROR_TEXT_LENGTH * 2 + 9];
+    char msg_with_context[JSON_ERROR_TEXT_LENGTH + 17];
 
     int line = -1, col = -1;
     size_t pos = 0;
@@ -114,7 +114,7 @@ static void error_set(json_error_t *error, const lex_t *lex,
         if(saved_text && saved_text[0])
         {
             if(lex->saved_text.length <= 20) {
-                snprintf(msg_with_context, JSON_ERROR_TEXT_LENGTH * 2 + 9,
+                snprintf(msg_with_context, JSON_ERROR_TEXT_LENGTH + 17,
                          "%s near '%s'", msg_text, saved_text);
                 msg_with_context[JSON_ERROR_TEXT_LENGTH - 1] = '\0';
                 result = msg_with_context;
@@ -131,7 +131,7 @@ static void error_set(json_error_t *error, const lex_t *lex,
                 result = msg_text;
             }
             else {
-                snprintf(msg_with_context, JSON_ERROR_TEXT_LENGTH * 2 + 9,
+                snprintf(msg_with_context, JSON_ERROR_TEXT_LENGTH + 17,
                          "%s near end of file", msg_text);
                 msg_with_context[JSON_ERROR_TEXT_LENGTH - 1] = '\0';
                 result = msg_with_context;