diff --git a/Makefile b/Makefile
index 61593c1..af829f2 100644
--- a/Makefile
+++ b/Makefile
@@ -1209,7 +1209,7 @@
 
 .PHONY: ${CRTTOOL}
 ${CRTTOOL}:
-	${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} COT=${COT} OPENSSL_DIR=${OPENSSL_DIR} --no-print-directory -C ${CRTTOOLPATH}
+	${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} COT=${COT} OPENSSL_DIR=${OPENSSL_DIR} CRTTOOL=${CRTTOOL} --no-print-directory -C ${CRTTOOLPATH}
 	@${ECHO_BLANK_LINE}
 	@echo "Built $@ successfully"
 	@${ECHO_BLANK_LINE}
@@ -1252,12 +1252,12 @@
 
 .PHONY: ${FIPTOOL}
 ${FIPTOOL}:
-	${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${FIPTOOLPATH}
+	${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" FIPTOOL=${FIPTOOL} --no-print-directory -C ${FIPTOOLPATH}
 
 sptool: ${SPTOOL}
 .PHONY: ${SPTOOL}
 ${SPTOOL}:
-	${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${SPTOOLPATH}
+	${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" SPTOOL=${SPTOOL} --no-print-directory -C ${SPTOOLPATH}
 
 .PHONY: libraries
 romlib.bin: libraries
@@ -1275,7 +1275,7 @@
 
 .PHONY: ${ENCTOOL}
 ${ENCTOOL}:
-	${Q}${MAKE} PLAT=${PLAT} BUILD_INFO=0 OPENSSL_DIR=${OPENSSL_DIR} --no-print-directory -C ${ENCTOOLPATH}
+	${Q}${MAKE} PLAT=${PLAT} BUILD_INFO=0 OPENSSL_DIR=${OPENSSL_DIR} ENCTOOL=${ENCTOOL} --no-print-directory -C ${ENCTOOLPATH}
 	@${ECHO_BLANK_LINE}
 	@echo "Built $@ successfully"
 	@${ECHO_BLANK_LINE}
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