diff --git a/tools/cert_create/Makefile b/tools/cert_create/Makefile
index 418e06c..0ec08b0 100644
--- a/tools/cert_create/Makefile
+++ b/tools/cert_create/Makefile
@@ -7,6 +7,7 @@
 PLAT		:= none
 V		?= 0
 DEBUG		:= 0
+CRTTOOL		?= cert_create${BIN_EXT}
 BINARY		:= $(notdir ${CRTTOOL})
 OPENSSL_DIR	:= /usr
 COT		:= tbbr
diff --git a/tools/encrypt_fw/Makefile b/tools/encrypt_fw/Makefile
index ebbc66a..6eb6fae 100644
--- a/tools/encrypt_fw/Makefile
+++ b/tools/encrypt_fw/Makefile
@@ -7,6 +7,7 @@
 V		?= 0
 BUILD_INFO	?= 1
 DEBUG		:= 0
+ENCTOOL		?= encrypt_fw${BIN_EXT}
 BINARY		:= $(notdir ${ENCTOOL})
 OPENSSL_DIR	:= /usr
 
diff --git a/tools/fiptool/Makefile b/tools/fiptool/Makefile
index 0ede6ce..df8ab5c 100644
--- a/tools/fiptool/Makefile
+++ b/tools/fiptool/Makefile
@@ -8,6 +8,7 @@
 include ${MAKE_HELPERS_DIRECTORY}build_macros.mk
 include ${MAKE_HELPERS_DIRECTORY}build_env.mk
 
+FIPTOOL ?= 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 f724c26..1fa85fb 100644
--- a/tools/sptool/Makefile
+++ b/tools/sptool/Makefile
@@ -8,6 +8,7 @@
 include ${MAKE_HELPERS_DIRECTORY}build_macros.mk
 include ${MAKE_HELPERS_DIRECTORY}build_env.mk
 
+SPTOOL  ?= sptool${BIN_EXT}
 PROJECT := $(notdir ${SPTOOL})
 OBJECTS := sptool.o
 V ?= 0