diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 6d5e3062..f831c325 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -294,7 +294,7 @@ jobs:
           cd "${OPENSSL_SOURCE_PATH}"
           #if ([ "$RUNNER_OS" == "Windows" ] && [ "$RUNNER_ARCH" == "ARM64" ]); then
             # https://github.com/openssl/openssl/issues/26239
-            #export CFLAGS=-DNO_INTERLOCKEDOR64
+            export CFLAGS=-DNO_INTERLOCKEDOR64
           #fi
           # --libdir=lib is needed so Python can find OpenSSL libraries
           "${PERL}" ./Configure --libdir=lib --prefix="${OPENSSL_INSTALL_PATH}" $OPENSSL_CONFIG_OPTS
@@ -310,9 +310,9 @@ jobs:
         run: |
           cd "${OPENSSL_SOURCE_PATH}"
           # TODO: remove this once https://github.com/openssl/openssl/issues/26239 is fixed.
-          #if ([ "$RUNNER_OS" == "Windows" ] && [ "$RUNNER_ARCH" == "ARM64" ]); then
-          #  export CFLAGS=-DNO_INTERLOCKEDOR64
-          #fi
+          if ([ "$RUNNER_OS" == "Windows" ] && [ "$RUNNER_ARCH" == "ARM64" ]); then
+            export CFLAGS=-DNO_INTERLOCKEDOR64
+          fi
           $MAKE "$MAKEOPT"
 
       - name: Install OpenSSL