diff --git a/rencode/_rencode.pyx b/rencode/_rencode.pyx
index 9796b7e..010792c 100644
--- a/rencode/_rencode.pyx
+++ b/rencode/_rencode.pyx
@@ -73,7 +73,7 @@ cdef enum:
     STR_FIXED_COUNT = 64
     # Lists with length embedded in typecode.
     LIST_FIXED_START = STR_FIXED_START+STR_FIXED_COUNT
-    LIST_FIXED_COUNT = 64
+    LIST_FIXED_COUNT = 63
 
 cdef char _float_bits
 
@@ -163,7 +163,7 @@ cdef encode_char(char **buf, unsigned int *pos, signed char x):
         write_buffer_char(buf, pos, INT_POS_FIXED_START + x)
     elif -INT_NEG_FIXED_COUNT <= x < 0:
         write_buffer_char(buf, pos, INT_NEG_FIXED_START - 1 - x)
-    elif -128 <= x < 128:
+    elif -128 <= x < 127:
         write_buffer_char(buf, pos, CHR_INT1)
         write_buffer_char(buf, pos, x)