diff --git a/make/platform.mk b/make/platform.mk
index ebcf643d..374bf8a2 100644
--- a/make/platform.mk
+++ b/make/platform.mk
@@ -50,10 +50,6 @@ include $(JWBDIR)/make/py-version.mk
 
 JW_PKG_PY                    = $(PYTHON) $(JWB_SCRIPT_DIR)/jw-pkg.py -p $(PROJECTS_DIR) -t $(TOPDIR) --topdir-format absolute $(JW_PKG_PY_EXTRA_OPTS)
 
-ifndef GET_OS_SH
-  GET_OS_SH                 := $(SHELL) $(JWB_SCRIPT_DIR)/get-os.sh
-endif
-
 # -- product
 
 TARGET_PRODUCTS_ARM_NONE_EABI = \
@@ -76,7 +72,7 @@ endif
 # -- arch, vendor, os, libc
 
 ifeq ($(HOST_TUPLE),)
-  HOST_TUPLE                := $(shell $(GET_OS_SH) tuple)
+  HOST_TUPLE                := $(shell $(JW_PKG_PY) distro info --format '%{gnu-triplet}')
   HOST_TUPLE_WORDS          := $(subst -, ,$(HOST_TUPLE))
   HOST_ARCH                 := $(word 1,$(HOST_TUPLE_WORDS))
   HOST_VENDOR               := $(word 2,$(HOST_TUPLE_WORDS))
@@ -184,11 +180,11 @@ else
 endif
 
 ifeq ($(OS_NAME_VERSION),)
-  OS_NAME_VERSION           := $(shell $(GET_OS_SH))
+  OS_NAME_VERSION           := $(shell $(JW_PKG_PY) distro info --format '%{id}-%{codename}')
 endif
 
 ifeq ($(OS_NAME),)
-  OS_NAME                   := $(shell $(GET_OS_SH) name)
+  OS_NAME                   := $(word 1,$(subst -, ,$(OS_NAME_VERSION)))
 endif
 ARCH                        ?= $(TARGET_ARCH)