diff --git a/meta-python/recipes-devtools/python/python3-grpcio/0001-setup.py-Do-not-mix-C-and-C-compiler-options.patch b/meta-python/recipes-devtools/python/python3-grpcio/0001-setup.py-Do-not-mix-C-and-C-compiler-options.patch
index 131daace0..f39a82a33 100644
--- a/meta-python/recipes-devtools/python/python3-grpcio/0001-setup.py-Do-not-mix-C-and-C-compiler-options.patch
+++ b/meta-python/recipes-devtools/python/python3-grpcio/0001-setup.py-Do-not-mix-C-and-C-compiler-options.patch
@@ -1,4 +1,4 @@
-From b02be74a2eff8abc612ef84f30e0fbce6a7f65f5 Mon Sep 17 00:00:00 2001
+1From b02be74a2eff8abc612ef84f30e0fbce6a7f65f5 Mon Sep 17 00:00:00 2001
 From: Khem Raj <raj.khem@gmail.com>
 Date: Fri, 4 Aug 2017 09:04:07 -0700
 Subject: [PATCH] setup.py: Do not mix C and C++ compiler options
@@ -24,7 +24,7 @@ Signed-off-by: Khem Raj <raj.khem@gmail.com>
  
  def check_linker_need_libatomic():
    """Test if linker on system needs libatomic."""
-+  compiler, cc_args = os.environ.get('CC').split(' ', 1) or 'cc'
++  compiler, cc_args = os.environ.get('CC').split(' ', 1) or 'gcc'
    code_test = (b'#include <atomic>\n' +
                 b'int main() { return std::atomic<int64_t>{}; }')
 -  cc_test = subprocess.Popen(['cc', '-x', 'c++', '-std=c++11', '-'],
@@ -57,7 +57,7 @@ Signed-off-by: Khem Raj <raj.khem@gmail.com>
              """
              # TODO(lidiz) Remove the generated a.out for success tests.
 -            cc_test = subprocess.Popen(['cc', '-x', 'c', '-std=c++11', '-'],
-+            compiler, cc_args = os.environ.get('CC').split(' ', 1) or 'cc'
++            compiler, cc_args = os.environ.get('CC').split(' ', 1) or 'gcc'
 +            cc_test = subprocess.Popen([compiler, cc_args, '-x', 'c', '-std=c++11', '-'],
                                         stdin=subprocess.PIPE,
                                         stdout=subprocess.PIPE,
diff --git a/meta-python/recipes-devtools/python/python3-grpcio_1.27.1.bb b/meta-python/recipes-devtools/python/python3-grpcio_1.27.1.bb
index bc2b70cf8..42260cb27 100644
--- a/meta-python/recipes-devtools/python/python3-grpcio_1.27.1.bb
+++ b/meta-python/recipes-devtools/python/python3-grpcio_1.27.1.bb
@@ -6,8 +6,8 @@ LIC_FILES_CHKSUM = "file://LICENSE;md5=3b83ef96387f14655fc854ddc3c6bd57"
 
 DEPENDS += "${PYTHON_PN}-protobuf"
 
-SRC_URI_append_class-target = " file://0001-setup.py-Do-not-mix-C-and-C-compiler-options.patch \
-                                file://ppc-boringssl-support.patch \
+SRC_URI += "file://0001-setup.py-Do-not-mix-C-and-C-compiler-options.patch"
+SRC_URI_append_class-target = " file://ppc-boringssl-support.patch \
                                 file://riscv64_support.patch \
 "
 SRC_URI[md5sum] = "ccaf4e7eb4f031d926fb80035d193b98"