diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index e59c0d81..ce365dd1 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -976,8 +976,8 @@ add_custom_command(TARGET ${EXECUTABLE_MCUBOOT_NAME}
         COMMAND ${CMAKE_SIZE_UTIL} ${EXECUTABLE_MCUBOOT_FILE_NAME}.out
         COMMAND ${CMAKE_OBJCOPY} -O binary ${EXECUTABLE_MCUBOOT_FILE_NAME}.out "${EXECUTABLE_MCUBOOT_FILE_NAME}.bin"
         COMMAND ${CMAKE_OBJCOPY} -O ihex ${EXECUTABLE_MCUBOOT_FILE_NAME}.out "${EXECUTABLE_MCUBOOT_FILE_NAME}.hex"
-        COMMAND ${CMAKE_SOURCE_DIR}/tools/mcuboot/imgtool.py create --align 4 --version 1.0.0 --header-size 32 --slot-size 475136 --pad-header ${EXECUTABLE_MCUBOOT_FILE_NAME}.hex ${IMAGE_MCUBOOT_FILE_NAME_HEX}
-        COMMAND ${CMAKE_SOURCE_DIR}/tools/mcuboot/imgtool.py create --align 4 --version 1.0.0 --header-size 32 --slot-size 475136 --pad-header ${EXECUTABLE_MCUBOOT_FILE_NAME}.bin ${IMAGE_MCUBOOT_FILE_NAME_BIN}
+        COMMAND ${CMAKE_SOURCE_DIR}/tools/mcuboot/imgtool.py create --align 1 --version 1.0.0 --header-size 32 --slot-size 475136 --pad-header ${EXECUTABLE_MCUBOOT_FILE_NAME}.hex ${IMAGE_MCUBOOT_FILE_NAME_HEX}
+        COMMAND ${CMAKE_SOURCE_DIR}/tools/mcuboot/imgtool.py create --align 1 --version 1.0.0 --header-size 32 --slot-size 475136 --pad-header ${EXECUTABLE_MCUBOOT_FILE_NAME}.bin ${IMAGE_MCUBOOT_FILE_NAME_BIN}
         COMMENT "post build steps for ${EXECUTABLE_MCUBOOT_FILE_NAME}"
         )
 
@@ -1049,7 +1049,7 @@ add_custom_command(TARGET ${EXECUTABLE_RECOVERY_MCUBOOT_NAME}
         COMMAND ${CMAKE_SIZE_UTIL} ${EXECUTABLE_RECOVERY_MCUBOOT_FILE_NAME}.out
         COMMAND ${CMAKE_OBJCOPY} -O binary ${EXECUTABLE_RECOVERY_MCUBOOT_FILE_NAME}.out "${EXECUTABLE_RECOVERY_MCUBOOT_FILE_NAME}.bin"
         COMMAND ${CMAKE_OBJCOPY} -O ihex ${EXECUTABLE_RECOVERY_MCUBOOT_FILE_NAME}.out "${EXECUTABLE_RECOVERY_MCUBOOT_FILE_NAME}.hex"
-        COMMAND ${CMAKE_SOURCE_DIR}/tools/mcuboot/imgtool.py create --align 4 --version 1.0.0 --header-size 32 --slot-size 475136 --pad-header ${EXECUTABLE_RECOVERY_MCUBOOT_FILE_NAME}.hex ${IMAGE_RECOVERY_MCUBOOT_FILE_NAME_HEX}
+        COMMAND ${CMAKE_SOURCE_DIR}/tools/mcuboot/imgtool.py create --align 1 --version 1.0.0 --header-size 32 --slot-size 475136 --pad-header ${EXECUTABLE_RECOVERY_MCUBOOT_FILE_NAME}.hex ${IMAGE_RECOVERY_MCUBOOT_FILE_NAME_HEX}
         COMMAND ${CMAKE_OBJCOPY} -I ihex -O binary ${IMAGE_RECOVERY_MCUBOOT_FILE_NAME_HEX} "${IMAGE_RECOVERY_MCUBOOT_FILE_NAME}.bin"
         COMMAND python3 ${CMAKE_SOURCE_DIR}/tools/bin2c.py ${IMAGE_RECOVERY_MCUBOOT_FILE_NAME}.bin recoveryImage > recoveryImage.h
         COMMENT "post build steps for ${EXECUTABLE_RECOVERY_MCUBOOT_FILE_NAME}"
@@ -1125,7 +1125,7 @@ add_custom_command(TARGET ${EXECUTABLE_MCUBOOT_RECOVERYLOADER_NAME}
         COMMAND ${CMAKE_SIZE_UTIL} ${EXECUTABLE_MCUBOOT_RECOVERYLOADER_FILE_NAME}.out
         COMMAND ${CMAKE_OBJCOPY} -O binary ${EXECUTABLE_MCUBOOT_RECOVERYLOADER_FILE_NAME}.out "${EXECUTABLE_MCUBOOT_RECOVERYLOADER_FILE_NAME}.bin"
         COMMAND ${CMAKE_OBJCOPY} -O ihex ${EXECUTABLE_MCUBOOT_RECOVERYLOADER_FILE_NAME}.out "${EXECUTABLE_MCUBOOT_RECOVERYLOADER_FILE_NAME}.hex"
-        COMMAND ${CMAKE_SOURCE_DIR}/tools/mcuboot/imgtool.py create --align 4 --version 1.0.0 --header-size 32 --slot-size 475136 --pad-header ${EXECUTABLE_MCUBOOT_RECOVERYLOADER_FILE_NAME}.hex ${IMAGE_MCUBOOT_RECOVERYLOADER_FILE_NAME_HEX}
+        COMMAND ${CMAKE_SOURCE_DIR}/tools/mcuboot/imgtool.py create --align 1 --version 1.0.0 --header-size 32 --slot-size 475136 --pad-header ${EXECUTABLE_MCUBOOT_RECOVERYLOADER_FILE_NAME}.hex ${IMAGE_MCUBOOT_RECOVERYLOADER_FILE_NAME_HEX}
         COMMAND ${CMAKE_OBJCOPY} -I ihex -O binary ${IMAGE_MCUBOOT_RECOVERYLOADER_FILE_NAME_HEX} "${IMAGE_MCUBOOT_RECOVERYLOADER_FILE_NAME}.bin"
         COMMAND python3 ${CMAKE_SOURCE_DIR}/tools/bin2c.py ${IMAGE_MCUBOOT_RECOVERYLOADER_FILE_NAME}.bin recoveryLoaderImage > recoveryLoaderImage.h
         COMMENT "post build steps for ${EXECUTABLE_MCUBOOT_RECOVERYLOADER_FILE_NAME}"