diff --git a/src/core/handlers.c b/src/core/handlers.c
index 1d2e0a7..bbb95aa 100644
--- a/src/core/handlers.c
+++ b/src/core/handlers.c
@@ -58,7 +58,11 @@
     GString *command = g_string_new("");
     GString *output = g_string_new("");
 
-    g_string_printf(command, "%s %s 10 it %d", reportScript, csvfile, days); // TODO variable number of expenses, daily ecc
+    if(days > 0) {
+        g_string_printf(command, "%s %s 10 it %d", reportScript, csvfile, days);
+    } else {
+        g_string_printf(command, "%s %s 10 it", reportScript, csvfile);
+    }
 
     fp = popen(command->str,"r");
     while( getline(&buf, &cap, fp) != -1 ){
diff --git a/src/expenses/grammar.y b/src/expenses/grammar.y
index ca8b535..8863b52 100644
--- a/src/expenses/grammar.y
+++ b/src/expenses/grammar.y
@@ -88,14 +88,14 @@
 ;
 
 /* convert a timestamp into num. of days. No calendar taken into account */
-days:   /* empty */                           { $$ = (BotReport) { .days = 1 }; }
+days:   /* empty */                           { $$ = (BotReport) { .days = -1 }; }
         | TOK_TS_DAY tn                       { $$ = (BotReport) { .days = $2 }; }
         | TOK_TS_WEEK tn                      { $$ = (BotReport) { .days = 7*$2 }; }
         | TOK_TS_MONTH tn                     { $$ = (BotReport) { .days = 31*$2 }; }
         | TOK_TS_YEAR tn                      { $$ = (BotReport) { .days = 365*$2 }; }
 ;
 
-tn:     /* empty */                           { $$ = 1; }
+tn:     /* empty */                           { $$ = -1; }
         | TOK_INT                             { $$ = $1; }
         ;
 %%
diff --git a/src/expenses/lex.l b/src/expenses/lex.l
index 52097b3..8848bc0 100644
--- a/src/expenses/lex.l
+++ b/src/expenses/lex.l
@@ -22,10 +22,10 @@
 del|storno                     yylval.cmd=BOT_CMD_DELETE; return TOK_CMD_DEL;
 reminder|ricordami             yylval.cmd=BOT_CMD_REMINDER; return TOK_CMD_REMINDER;
 report                         yylval.cmd=BOT_CMD_REPORT; return TOK_CMD_REPORT;
-day|giorno|giorni              yylval.tsp=BOT_TS_DAY; return TOK_TS_DAY;
-week|sett|settimana|settimane  yylval.tsp=BOT_TS_WEEK; return TOK_TS_WEEK;
-month|mese|mesi                yylval.tsp=BOT_TS_MONTH; return TOK_TS_MONTH;
-year|anno|anni                 yylval.tsp=BOT_TS_YEAR; return TOK_TS_YEAR;
+day|days|giorno|giorni              yylval.tsp=BOT_TS_DAY; return TOK_TS_DAY;
+week|weeks|sett|settimana|settimane  yylval.tsp=BOT_TS_WEEK; return TOK_TS_WEEK;
+month|months|mese|mesi                yylval.tsp=BOT_TS_MONTH; return TOK_TS_MONTH;
+year|years|anno|anni                 yylval.tsp=BOT_TS_YEAR; return TOK_TS_YEAR;
 [a-zA-Z0-9_]+                  yylval.str=g_string_new(yytext); return TOK_USER; /* user can't have special characters */
 \"[^\n]+\"                     yylval.str=g_string_new(yytext); return TOK_STR;  /* anything excepts '\n'; needs to be at the bottom of flex rules here */
 [ \t]+                         /* ignore whitespace */;
diff --git a/src/expenses/task.c b/src/expenses/task.c
index ce0ecaa..2b0988f 100644
--- a/src/expenses/task.c
+++ b/src/expenses/task.c
@@ -10,7 +10,7 @@
 
 /* protected globals */
 static BotCommand g_lastCommand = BOT_CMD_NONE;
-static BotReport g_report = { 1 };
+static BotReport g_report = { -1 };
 static BotReminder *g_tmp_lastReminder = NULL;
 
 /* store a thread per user */