diff --git a/deps/buildcore/base.mk b/deps/buildcore/base.mk
index 128f34bc..839510cb 100644
--- a/deps/buildcore/base.mk
+++ b/deps/buildcore/base.mk
@@ -10,21 +10,22 @@ ifeq (${OS},Windows_NT)
 	SHELL := powershell.exe
 	.SHELLFLAGS := -NoProfile -Command
 	BC_VAR_OS=windows
+	BC_CMD_HOST_PY3=python
 else
 	BC_VAR_OS=$(shell uname | tr [:upper:] [:lower:])
-endif
-
-ifneq ($(shell which python3 2> /dev/null),)
-	BC_CMD_HOST_PY3=python3
-else
-	ifeq ($(shell python -c 'import sys; print(sys.version_info[0])'),3)
-		BC_CMD_HOST_PY3=python
+	ifneq ($(shell which python3 2> /dev/null),)
+		BC_CMD_HOST_PY3=python3
 	else
-		echo 'Please install Python3 on host'
-		exit 1
+		ifeq ($(shell python -c 'import sys; print(sys.version_info[0])'),3)
+			BC_CMD_HOST_PY3=python
+		else
+			echo 'Please install Python3 on host'
+			exit 1
+		endif
 	endif
 endif
 
+
 ifdef BC_VAR_USE_DOCKER_DEVENV
 	ifneq ($(shell which docker 2> /dev/null),)
 		BC_VAR_DEVENV=devenv$(shell pwd | sed 's/\//-/g')
diff --git a/deps/buildcore/scripts/setup-build.py b/deps/buildcore/scripts/setup-build.py
index 8a2c8aaf..ec89aa64 100755
--- a/deps/buildcore/scripts/setup-build.py
+++ b/deps/buildcore/scripts/setup-build.py
@@ -96,7 +96,7 @@ def main() -> int:
         cmake_cmd.append(build_tool)
     if qt_path != '':
         cmake_cmd.append(qt_path)
-    if platform.system() == 'Windows':
+    if platform.system() == 'Windows' and platform.system() == 'AMD64':
         cmake_cmd.append('-A x64')
 
     cmake_err = subprocess.run(cmake_cmd).returncode
diff --git a/deps/buildcore/scripts/util.py b/deps/buildcore/scripts/util.py
index c37e6332..383ee5f4 100644
--- a/deps/buildcore/scripts/util.py
+++ b/deps/buildcore/scripts/util.py
@@ -32,7 +32,7 @@ def get_os() -> str:
 
 
 def get_arch() -> str:
-    arch = platform.machine()
-    if arch.lower() == 'amd64':
+    arch = platform.machine().lower()
+    if arch == 'amd64':
         arch = 'x86_64'
     return arch