diff --git a/ci/build.gitlab-ci.yml b/ci/build.gitlab-ci.yml
index 213ec50f2..f35156611 100644
--- a/ci/build.gitlab-ci.yml
+++ b/ci/build.gitlab-ci.yml
@@ -107,6 +107,7 @@ build:ppc64le:linux:gcc-10:cxx11-on:
     EIGEN_CI_CXX_COMPILER: "g++-10"
     EIGEN_CI_CC_COMPILER: "gcc-10"
     EIGEN_TEST_CXX11: "on"
+    EIGEN_CI_ADDITIONAL_ARGS: "-DCMAKE_CXX_FLAGS='-DEIGEN_ALTIVEC_DISABLE_MMA'"
   tags:
     - eigen-runner
     - linux