diff --git a/modules/segger/CMakeLists.txt b/modules/segger/CMakeLists.txt
index dcccd4d4ecc..ab15d7c17fc 100644
--- a/modules/segger/CMakeLists.txt
+++ b/modules/segger/CMakeLists.txt
@@ -1,5 +1,6 @@
 if(CONFIG_USE_SEGGER_RTT)
   zephyr_library()
+  zephyr_library_compile_definitions(SEGGER_RTT_ALIGNMENT=CONFIG_SEGGER_RTT_CB_ALIGNMENT)
   set(SEGGER_DIR ${ZEPHYR_CURRENT_MODULE_DIR})
   zephyr_include_directories_ifdef(CONFIG_USE_SEGGER_RTT
     ${SEGGER_DIR}/SEGGER
diff --git a/modules/segger/Kconfig b/modules/segger/Kconfig
index bd19b00731e..ca2d27d4bcf 100644
--- a/modules/segger/Kconfig
+++ b/modules/segger/Kconfig
@@ -25,6 +25,14 @@ config SEGGER_RTT_CUSTOM_LOCKING
 	help
 	  Enable custom locking using Zephyr APIs.
 
+config SEGGER_RTT_CB_ALIGNMENT
+	int "Alignment of the RTT control block"
+	default 16
+	help
+	  Specify the alignment of the RTT control block in memory. The default
+	  alignment of 16 bytes is chosen because PyOCD fails to discover blocks
+	  where the 16 byte `acID` field falls across a 32 byte boundary.
+
 config SEGGER_RTT_MAX_NUM_UP_BUFFERS
 	int "Maximum number of up-buffers"
 	default 3