diff --git a/tests.c b/tests.c
index 830fdb3..51ecb9e 100644
--- a/tests.c
+++ b/tests.c
@@ -134,19 +134,37 @@ static int primitive( void ) {
 }
 
 static int text( void ) {
-    json_t pool[2];
-    unsigned const qty = sizeof pool / sizeof *pool;
+    
+    {
+        json_t pool[2];
+        unsigned const qty = sizeof pool / sizeof *pool;
 
-    char str[] = "{\"a\":\"\\tThis text: \\\"Hello\\\".\\n\"}";
+        char str[] = "{\"a\":\"\\tThis text: \\\"Hello\\\".\\n\"}";
 
-    json_t const* json = json_create( str, pool, qty );
-    check( json );
+        json_t const* json = json_create( str, pool, qty );
+        check( json );
 
-    json_t const* a = json_getProperty( json, "a" );
-    check( a );
-    check( JSON_TEXT == json_getType( a ) );
-    check( !strcmp( "\tThis text: \"Hello\".\n", json_getValue( a ) ) );
+        json_t const* a = json_getProperty( json, "a" );
+        check( a );
+        check( JSON_TEXT == json_getType( a ) );
+        check( !strcmp( "\tThis text: \"Hello\".\n", json_getValue( a ) ) );
+    }
+    
+    {
+        json_t pool[2];
+        unsigned const qty = sizeof pool / sizeof *pool;
+        
+        char str[] = "{\"name\":\"Christiane Eluère\"}";
+        
+        json_t const* json = json_create( str, pool, qty );
+        check( json );
 
+        json_t const* name = json_getProperty( json, "name" );
+        check( name );
+        check( JSON_TEXT == json_getType( name ) );
+        check( !strcmp( "Christiane Eluère", json_getValue( name ) ) );
+        
+    }
 
     done();
 }
diff --git a/tiny-json.c b/tiny-json.c
index 03d5acc..4f28f13 100644
--- a/tiny-json.c
+++ b/tiny-json.c
@@ -116,8 +116,8 @@ static char getCharFromUnicode( char const* str ) {
   * @retval Pointer to first non white space after the string. If success.
   * @retval Null pointer if any error occur. */
 static char* parseString( char* str ) {
-    char* head = str;
-    char* tail = str;
+    unsigned char* head = (unsigned char*)str;
+    unsigned char* tail = (unsigned char*)str;
     for( ; *head >= ' '; ++head, ++tail ) {
         if ( *head == '\"' ) {
             *tail = '\0';