diff --git a/reactos/lib/rtl/sprintf.c b/reactos/lib/rtl/sprintf.c
index 20de5772adc..441bec3ffd2 100644
--- a/reactos/lib/rtl/sprintf.c
+++ b/reactos/lib/rtl/sprintf.c
@@ -122,7 +122,7 @@ number(char * buf, char * end, long long num, int base, int size, int precision,
 			size--;
 	}
 	i = 0;
-	if (num == 0)
+	if ((num == 0) && (precision !=0))
 		tmp[i++] = '0';
 	else while (num != 0)
 		tmp[i++] = digits[do_div(&num,base)];
diff --git a/reactos/lib/rtl/swprintf.c b/reactos/lib/rtl/swprintf.c
index cbe3356c962..6ba1a925028 100644
--- a/reactos/lib/rtl/swprintf.c
+++ b/reactos/lib/rtl/swprintf.c
@@ -122,7 +122,7 @@ number(wchar_t * buf, wchar_t * end, long long num, int base, int size, int prec
 			size--;
 	}
 	i = 0;
-	if (num == 0)
+	if ((num == 0) && (precision !=0))
 		tmp[i++] = L'0';
 	else while (num != 0)
 		tmp[i++] = digits[do_div(&num,base)];