diff --git a/IDE/CCS/TMS570LC43xx/.cproject b/IDE/CCS/TMS570LC43xx/.cproject
index 1ccb389a..0013bf88 100644
--- a/IDE/CCS/TMS570LC43xx/.cproject
+++ b/IDE/CCS/TMS570LC43xx/.cproject
@@ -46,6 +46,7 @@
 								</option>
 								<option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="false" id="com.ti.ccstudio.buildDefinitions.TMS470_20.2.compilerID.DEFINE.847459773" name="Pre-define NAME (--define, -D)" superClass="com.ti.ccstudio.buildDefinitions.TMS470_20.2.compilerID.DEFINE" valueType="definedSymbols">
 									<listOptionValue builtIn="false" value="WOLFBOOT_VERSION=1"/>
+									<listOptionValue builtIn="false" value="PART_BOOT_ENDFLAGS=0x003C0000u"/>
 									<listOptionValue builtIn="false" value="WOLFBOOT_SIGN_ECC256"/>
 									<listOptionValue builtIn="false" value="BIG_ENDIAN_ORDER"/>
 									<listOptionValue builtIn="false" value="NVM_FLASH_WRITEONCE"/>
@@ -152,6 +153,7 @@
 								<option id="com.ti.ccstudio.buildDefinitions.TMS470_20.2.compilerID.DISPLAY_ERROR_NUMBER.1335449391" name="Emit diagnostic identifier numbers (--display_error_number, -pden)" superClass="com.ti.ccstudio.buildDefinitions.TMS470_20.2.compilerID.DISPLAY_ERROR_NUMBER" value="true" valueType="boolean"/>
 								<option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="false" id="com.ti.ccstudio.buildDefinitions.TMS470_20.2.compilerID.DEFINE.850291989" name="Pre-define NAME (--define, -D)" superClass="com.ti.ccstudio.buildDefinitions.TMS470_20.2.compilerID.DEFINE" valueType="definedSymbols">
 									<listOptionValue builtIn="false" value="_INLINE"/>
+									<listOptionValue builtIn="false" value="PART_BOOT_ENDFLAGS=0x003C0000u"/>
 									<listOptionValue builtIn="false" value="WOLFBOOT_VERSION=1"/>
 									<listOptionValue builtIn="false" value="WOLFBOOT_SIGN_ECC256"/>
 									<listOptionValue builtIn="false" value="BIG_ENDIAN_ORDER"/>
diff --git a/src/libwolfboot.c b/src/libwolfboot.c
index 766150a6..96258736 100644
--- a/src/libwolfboot.c
+++ b/src/libwolfboot.c
@@ -72,7 +72,9 @@ static const uint32_t wolfboot_magic_trail = WOLFBOOT_MAGIC_TRAIL;
  *  - PART_UPDATE_ENDFLAGS = top of flags for UPDATE_PARTITION
  */
 
+#ifndef PART_BOOT_ENDFLAGS
 #define PART_BOOT_ENDFLAGS   (WOLFBOOT_PARTITION_BOOT_ADDRESS + ENCRYPT_TMP_SECRET_OFFSET)
+#endif
 #define FLAGS_BOOT_EXT() PARTN_IS_EXT(PART_BOOT)
 
 #ifdef FLAGS_HOME