diff --git a/src/errors.c b/src/errors.c
index 9f02b89..d6dc6be 100644
--- a/src/errors.c
+++ b/src/errors.c
@@ -15,38 +15,38 @@ static void print_context_tokens()
     i = 0;
     while (tokens_g_err[i].type != TOKEN_END)
     {
-        ft_printf("token %2i - type : ", i);
+        ft_dprintf(STDERR_FILENO, "token %2i - type : ", i);
 
         if (tokens_g_err[i].type == TOKEN_VARIABLE)
-            ft_printf("%20s", "TOKEN_VARIABLE");
+            ft_dprintf(STDERR_FILENO, "%20s", "TOKEN_VARIABLE");
         else if (tokens_g_err[i].type == TOKEN_NUMBER_INT)
-            ft_printf("%20s", "TOKEN_NUMBER_INT");
+            ft_dprintf(STDERR_FILENO, "%20s", "TOKEN_NUMBER_INT");
         else if (tokens_g_err[i].type == TOKEN_NUMBER_DOUBLE)
-            ft_printf("%20s", "TOKEN_NUMBER_DOUBLE");
+            ft_dprintf(STDERR_FILENO, "%20s", "TOKEN_NUMBER_DOUBLE");
         else if (tokens_g_err[i].type == TOKEN_POWER)
-            ft_printf("%20s", "TOKEN_POWER");
+            ft_dprintf(STDERR_FILENO, "%20s", "TOKEN_POWER");
         else if (tokens_g_err[i].type == TOKEN_SIGN_PLUS)
-            ft_printf("%20s", "TOKEN_SIGN_PLUS");
+            ft_dprintf(STDERR_FILENO, "%20s", "TOKEN_SIGN_PLUS");
         else if (tokens_g_err[i].type == TOKEN_SIGN_MINUS)
-            ft_printf("%20s", "TOKEN_SIGN_MINUS");
+            ft_dprintf(STDERR_FILENO, "%20s", "TOKEN_SIGN_MINUS");
         else if (tokens_g_err[i].type == TOKEN_FACTOR_MULT)
-            ft_printf("%20s", "TOKEN_FACTOR_MULT");
+            ft_dprintf(STDERR_FILENO, "%20s", "TOKEN_FACTOR_MULT");
         else if (tokens_g_err[i].type == TOKEN_FACTOR_DIV)
-            ft_printf("%20s", "TOKEN_FACTOR_DIV");
+            ft_dprintf(STDERR_FILENO, "%20s", "TOKEN_FACTOR_DIV");
         else if (tokens_g_err[i].type == TOKEN_EQUAL)
-            ft_printf("%20s", "TOKEN_EQUAL");
+            ft_dprintf(STDERR_FILENO, "%20s", "TOKEN_EQUAL");
         else if (tokens_g_err[i].type == TOKEN_END)
-            ft_printf("%20s", "TOKEN_END");
+            ft_dprintf(STDERR_FILENO, "%20s", "TOKEN_END");
 
         ft_putstr(" - value : ");
 
         if (tokens_g_err[i].tag == TOKEN_NUMBER)
         {
-            printf("%g\n", tokens_g_err[i].value_double);
+            dprintf(STDERR_FILENO, "%g\n", tokens_g_err[i].value_double);
         }
         else
         {
-            ft_printf("%c\n", tokens_g_err[i].value_char);
+            ft_dprintf(STDERR_FILENO, "%c\n", tokens_g_err[i].value_char);
         }
         i++;
     }
@@ -61,23 +61,31 @@ static void print_context_terms()
     i = 0;
     while (terms_g_err[i].position != TERM_END)
     {
-        ft_printf("term %2i :\n", i);
+        ft_dprintf(STDERR_FILENO, "term %2i - ", i);
+
         // position
-        ft_printf("   position    : ");
+        ft_dprintf(STDERR_FILENO, "%10s : ", "position");
         if (terms_g_err[i].position == TERM_LEFT)
-            ft_printf("%s\n", "TERM_LEFT");
-        if (terms_g_err[i].position == TERM_RIGHT)
-            ft_printf("%s\n", "TERM_RIGHT");
+            ft_dprintf(STDERR_FILENO, "%10s", "TERM_LEFT");
+        else if (terms_g_err[i].position == TERM_RIGHT)
+            ft_dprintf(STDERR_FILENO, "%10s", "TERM_RIGHT");
+        else
+            ft_dprintf(STDERR_FILENO, "%10s", "");
+
         // sign
-        ft_printf("   sign        : ");
+        ft_dprintf(STDERR_FILENO, " | %10s : ", "sign");
         if (terms_g_err[i].sign == TERM_PLUS)
-            ft_printf("%s\n", "TERM_PLUS");
-        if (terms_g_err[i].sign == TERM_MINUS)
-            ft_printf("%s\n", "TERM_MINUS");
+            ft_dprintf(STDERR_FILENO, "%10s", "TERM_PLUS");
+        else if (terms_g_err[i].sign == TERM_MINUS)
+            ft_dprintf(STDERR_FILENO, "%10s", "TERM_MINUS");
+        else
+            ft_dprintf(STDERR_FILENO, "%10s", "");
+
         // coefficient
-        printf("   coefficient : %g\n", terms_g_err[i].coefficient);
+        dprintf(STDERR_FILENO, " | %10s : %13g", "coefficient", terms_g_err[i].coefficient);
+
         // exponent
-        ft_printf("   exponent    : %d\n", terms_g_err[i].exponent);
+        ft_dprintf(STDERR_FILENO, " | %10s : %d\n", "exponent", terms_g_err[i].exponent);
         i++;
     }
     ft_putchar('\n');