diff --git a/databases/mongodb50/Makefile b/databases/mongodb50/Makefile
index bbf4ae522253..bbc98e69084b 100644
--- a/databases/mongodb50/Makefile
+++ b/databases/mongodb50/Makefile
@@ -28,7 +28,7 @@ LIB_DEPENDS=	libpcre.so:devel/pcre \
 		libcurl.so:ftp/curl \
 		libsnappy.so:archivers/snappy
 
-USES=		compiler:c++17-lang cpe python:3.5+,build scons
+USES=		compiler:c++17-lang cpe python:3.5+,build scons shebangfix
 USE_RC_SUBR=	mongod
 
 CONFLICTS_INSTALL=	mongodb36 mongodb4[024]
@@ -36,6 +36,8 @@ CONFLICTS_INSTALL=	mongodb36 mongodb4[024]
 OPTIONS_DEFINE=	LTO SASL SSL
 OPTIONS_DEFAULT=LTO SASL SSL
 
+SHEBANG_FILES=  buildscripts/scons.py
+python_OLD_CMD= @python_interpreter@
 MAKE_ARGS=	--use-system-zlib \
 		--use-system-pcre \
 		--use-system-snappy \
@@ -79,6 +81,9 @@ CPE_PRODUCT=	mongodb
 pre-patch:
 	${MV} ${WRKSRC}/src/third_party/wiredtiger/src/checksum/power8/crc32.sx ${WRKSRC}/src/third_party/wiredtiger/src/checksum/power8/crc32.S
 
+do-build:
+	${WRKSRC}/buildscripts/scons.py	-C ${WRKSRC} ${MAKE_ARGS}
+
 do-install:
 .for f in mongo mongod mongos
 	${INSTALL_PROGRAM} ${WRKSRC}/build/install${PREFIX}/bin/${f} ${STAGEDIR}${PREFIX}/bin
diff --git a/databases/mongodb50/files/patch-buildscripts_scons.py b/databases/mongodb50/files/patch-buildscripts_scons.py
new file mode 100644
index 000000000000..20d0429965af
--- /dev/null
+++ b/databases/mongodb50/files/patch-buildscripts_scons.py
@@ -0,0 +1,25 @@
+--- buildscripts/scons.py.orig	2021-08-23 09:10:10 UTC
++++ buildscripts/scons.py
+@@ -18,14 +18,14 @@ SITE_TOOLS_DIR = os.path.join(MONGODB_ROOT, 'site_scon
+ 
+ sys.path = [SCONS_DIR, SITE_TOOLS_DIR] + sys.path
+ 
+-# pylint: disable=C0413
+-from mongo.pip_requirements import verify_requirements, MissingRequirements
+-
+-try:
+-    verify_requirements('etc/pip/compile-requirements.txt')
+-except MissingRequirements as ex:
+-    print(ex)
+-    sys.exit(1)
++## pylint: disable=C0413
++#from mongo.pip_requirements import verify_requirements, MissingRequirements
++#
++#try:
++#    verify_requirements('etc/pip/compile-requirements.txt')
++#except MissingRequirements as ex:
++#    print(ex)
++#    sys.exit(1)
+ 
+ try:
+     import SCons.Script