diff --git a/config/external/nspr/pr/moz.build b/config/external/nspr/pr/moz.build
index d4fee38f7881..d592b219f872 100644
--- a/config/external/nspr/pr/moz.build
+++ b/config/external/nspr/pr/moz.build
@@ -40,7 +40,7 @@ elif CONFIG['OS_TARGET'] in ('FreeBSD', 'OpenBSD', 'NetBSD'):
     SOURCES += ['/nsprpub/pr/src/md/unix/%s.c' % CONFIG['OS_TARGET'].lower()]
 elif CONFIG['OS_TARGET'] == 'Darwin':
     OS_LIBS += ['-framework CoreServices']
-    if CONFIG['HOST_MAJOR_VERSION'] == '15':
+    if CONFIG['HOST_MAJOR_VERSION'] >= '15':
         DEFINES.update(
             HAS_CONNECTX=True,
         )
diff --git a/netwerk/protocol/http/moz.build b/netwerk/protocol/http/moz.build
index 324b7e6fe7d6..06b52a72af98 100644
--- a/netwerk/protocol/http/moz.build
+++ b/netwerk/protocol/http/moz.build
@@ -135,7 +135,7 @@ EXTRA_COMPONENTS += [
 ]
 
 if CONFIG['OS_TARGET'] == 'Darwin':
-    if CONFIG['HOST_MAJOR_VERSION'] == '15':
+    if CONFIG['HOST_MAJOR_VERSION'] >= '15':
         DEFINES.update(
             HAS_CONNECTX=True,
         )