diff --git a/Kconfig b/Kconfig
index 2350114..cdd3227 100644
--- a/Kconfig
+++ b/Kconfig
@@ -157,12 +157,12 @@ config NIMBLE_CPP_ENABLE_ADVERTISEMENT_TYPE_TEXT
         while scanning as text messages in the debug log.
         This will use approximately 250 bytes of flash memory.
 
-config NIMBLE_CPP_ADDR_FMT_INCLUDE_DELIMITER
-    bool "Show colon characters when printing address."
-    default "y"
+config NIMBLE_CPP_ADDR_FMT_EXCLUDE_DELIMITER
+    bool "Exclude colon characters when printing address."
+    default "n"
     help
-        Enabling this option will format MAC addresses with
-        colon characters included when printing.
+        Enabling this option will format MAC addresses without
+        colon characters when printing.
 
 config NIMBLE_CPP_ADDR_FMT_UPPERCASE
     bool "Use uppercase letters when printing address."
diff --git a/src/NimBLEAddress.cpp b/src/NimBLEAddress.cpp
index 9838f3c..2688665 100644
--- a/src/NimBLEAddress.cpp
+++ b/src/NimBLEAddress.cpp
@@ -23,10 +23,10 @@
 
 # include <algorithm>
 
-# ifdef CONFIG_NIMBLE_CPP_ADDR_FMT_INCLUDE_DELIMITER
-#  define NIMBLE_CPP_ADDR_DELIMITER ":"
-# else
+# ifdef CONFIG_NIMBLE_CPP_ADDR_FMT_EXCLUDE_DELIMITER
 #  define NIMBLE_CPP_ADDR_DELIMITER ""
+# else
+#  define NIMBLE_CPP_ADDR_DELIMITER ":"
 # endif
 
 # ifdef CONFIG_NIMBLE_CPP_ADDR_FMT_UPPERCASE