diff --git a/include/mimalloc-types.h b/include/mimalloc-types.h
index 3b16b29c..ca72aceb 100644
--- a/include/mimalloc-types.h
+++ b/include/mimalloc-types.h
@@ -273,7 +273,7 @@ typedef struct mi_segment_s {
 // In debug mode there is a padding stucture at the end 
 // of the blocks to check for buffer overflows.
 // ------------------------------------------------------
-#if defined(MI_PADDING)
+#if (MI_PADDING)
 typedef struct mi_padding_s {
   uint32_t    canary;  // encoded block value to check validity of the padding (in case of heap block overflow)
   uint32_t    delta;   // padding bytes before the block. (mi_usable_size(p) - delta == exact allocated bytes)
diff --git a/src/options.c b/src/options.c
index 7cf90fa8..8387a562 100644
--- a/src/options.c
+++ b/src/options.c
@@ -77,7 +77,7 @@ static mi_option_desc_t options[_mi_option_last] =
 #endif
   { 100, UNINIT, MI_OPTION(reset_delay) },       // reset delay in milli-seconds
   { 0,   UNINIT, MI_OPTION(use_numa_nodes) },    // 0 = use available numa nodes, otherwise use at most N nodes.
-  { 160,  UNINIT, MI_OPTION(debug_extra_padding) }, // extra padding in bytes
+  { 0,   UNINIT, MI_OPTION(debug_extra_padding) }, // extra padding in bytes
   { 100, UNINIT, MI_OPTION(os_tag) },            // only apple specific for now but might serve more or less related purpose
   { 16,  UNINIT, MI_OPTION(max_errors) }         // maximum errors that are output
 };