diff --git a/scripts/waflib/gitversion.py b/scripts/waflib/gitversion.py
index 7b4025a1..b26316b0 100644
--- a/scripts/waflib/gitversion.py
+++ b/scripts/waflib/gitversion.py
@@ -22,8 +22,8 @@ def get_git_version():
 		except Exception as e:
 			pass
 
-	if(len(version) == 0):
-		version = None
+		if(len(version) == 0):
+			version = None
 
 	return version
 
diff --git a/scripts/waflib/xcompile.py b/scripts/waflib/xcompile.py
index c30ec2bf..d4d60d9d 100644
--- a/scripts/waflib/xcompile.py
+++ b/scripts/waflib/xcompile.py
@@ -76,8 +76,8 @@ class Android:
 
 		self.toolchain = toolchain
 
-                if self.ndk_rev >= 19 or 'clang' in self.toolchain:
-                        self.clang = True
+		if self.ndk_rev >= 19 or 'clang' in self.toolchain:
+			self.clang = True
 
 		if self.is_arm64() or self.is_amd64() and self.api < 21:
 			Logs.warn('API level for 64-bit target automatically was set to 21')
diff --git a/wscript b/wscript
index cb86ef97..a1ae81e4 100644
--- a/wscript
+++ b/wscript
@@ -109,19 +109,19 @@ def configure(conf):
 		conf.options.GLWES  = True
 		conf.options.GL     = False
 
-	# print(conf.options.ALLOW64)
-
-	conf.env.BIT32_MANDATORY = not conf.options.ALLOW64
-	conf.env.BIT32_ALLOW64 = conf.options.ALLOW64
+	# We restrict 64-bit builds ONLY for Win/Linux/OSX running on Intel architecture
+	# Because compatibility with original GoldSrc
+	if conf.env.DEST_OS in ['win32', 'linux', 'darwin'] and conf.env.DEST_CPU in ['x86_64']:
+		conf.env.BIT32_ALLOW64 = conf.options.ALLOW64
+		if not conf.env.BIT32_ALLOW64:
+			Logs.info('WARNING: will build engine for 32-bit target')
+	else:
+		conf.env.BIT32_ALLOW64 = True
+	conf.env.BIT32_MANDATORY = not conf.env.BIT32_ALLOW64
 	conf.load('force_32bit')
 	if conf.env.DEST_OS2 != 'android':
 		conf.load('sdl2')
 
-	if conf.env.DEST_SIZEOF_VOID_P == 4:
-		Logs.info('NOTE: will build engine for 32-bit target')
-	else:
-		Logs.warn('WARNING: 64-bit engine may be unstable')
-
 	linker_flags = {
 		'common': {
 			'msvc':    ['/DEBUG'], # always create PDB, doesn't affect result binaries