diff --git a/tools/cert_create/Makefile b/tools/cert_create/Makefile
index 19f736f..418e06c 100644
--- a/tools/cert_create/Makefile
+++ b/tools/cert_create/Makefile
@@ -4,11 +4,10 @@
 # SPDX-License-Identifier: BSD-3-Clause
 #
 
-PROJECT		:= cert_create
 PLAT		:= none
 V		?= 0
 DEBUG		:= 0
-BINARY		:= ${PROJECT}${BIN_EXT}
+BINARY		:= $(notdir ${CRTTOOL})
 OPENSSL_DIR	:= /usr
 COT		:= tbbr
 
diff --git a/tools/encrypt_fw/Makefile b/tools/encrypt_fw/Makefile
index cb81d0b..ebbc66a 100644
--- a/tools/encrypt_fw/Makefile
+++ b/tools/encrypt_fw/Makefile
@@ -1,14 +1,13 @@
 #
-# Copyright (c) 2019, Linaro Limited. All rights reserved.
+# Copyright (c) 2019-2020, Linaro Limited. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
 
-PROJECT		:= encrypt_fw
 V		?= 0
 BUILD_INFO	?= 1
 DEBUG		:= 0
-BINARY		:= ${PROJECT}${BIN_EXT}
+BINARY		:= $(notdir ${ENCTOOL})
 OPENSSL_DIR	:= /usr
 
 OBJECTS := src/encrypt.o \
diff --git a/tools/fiptool/Makefile b/tools/fiptool/Makefile
index ef35014..0ede6ce 100644
--- a/tools/fiptool/Makefile
+++ b/tools/fiptool/Makefile
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2014-2018, ARM Limited and Contributors. All rights reserved.
+# Copyright (c) 2014-2020, ARM Limited and Contributors. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
@@ -8,7 +8,7 @@
 include ${MAKE_HELPERS_DIRECTORY}build_macros.mk
 include ${MAKE_HELPERS_DIRECTORY}build_env.mk
 
-PROJECT := fiptool${BIN_EXT}
+PROJECT := $(notdir ${FIPTOOL})
 OBJECTS := fiptool.o tbbr_config.o
 V ?= 0
 
diff --git a/tools/sptool/Makefile b/tools/sptool/Makefile
index 9325207..f724c26 100644
--- a/tools/sptool/Makefile
+++ b/tools/sptool/Makefile
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2018, Arm Limited. All rights reserved.
+# Copyright (c) 2018-2020, Arm Limited. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
@@ -8,7 +8,7 @@
 include ${MAKE_HELPERS_DIRECTORY}build_macros.mk
 include ${MAKE_HELPERS_DIRECTORY}build_env.mk
 
-PROJECT := sptool${BIN_EXT}
+PROJECT := $(notdir ${SPTOOL})
 OBJECTS := sptool.o
 V ?= 0