diff --git a/package/samba4/samba4.mk b/package/samba4/samba4.mk
index a6b353ad2d..072bb2c7c0 100644
--- a/package/samba4/samba4.mk
+++ b/package/samba4/samba4.mk
@@ -22,7 +22,8 @@ SAMBA4_LDFLAGS = $(TARGET_LDFLAGS) $(TARGET_NLS_LIBS)
 SAMBA4_CONF_ENV = \
 	CFLAGS="$(SAMBA4_CFLAGS)" \
 	LDFLAGS="$(SAMBA4_LDFLAGS)" \
-	XSLTPROC=false
+	XSLTPROC=false \
+	WAF_NO_PREFORK=1
 
 ifeq ($(BR2_PACKAGE_PYTHON3),y)
 SAMBA4_PYTHON = \