diff --git a/.azure-pipelines/azure-pipelines-linux-gcc.yml b/.azure-pipelines/azure-pipelines-linux-gcc.yml
index 2baf8bec6..d795a1007 100644
--- a/.azure-pipelines/azure-pipelines-linux-gcc.yml
+++ b/.azure-pipelines/azure-pipelines-linux-gcc.yml
@@ -29,6 +29,9 @@ jobs:
           enable_xtl_complex: 1
         gcc_9:
           gcc_version: '9'
+        gcc_9_m32:
+          gcc_version: '9'
+          i686: 1
     pool:
       vmImage: ubuntu-16.04
     variables:
@@ -49,6 +52,12 @@ jobs:
               sudo apt-get --no-install-suggests --no-install-recommends install qemu qemu-system-aarch64
             fi
           fi
+          if [[ $(i686) ]]; then
+            sudo dpkg --add-architecture i386
+            sudo add-apt-repository ppa:ubuntu-toolchain-r/test
+            sudo apt-get update
+            sudo apt-get --no-install-suggests --no-install-recommends install gcc-$(gcc_version)-multilib g++-$(gcc_version)-multilib linux-libc-dev:i386
+          fi
         displayName: Install build toolchain
 
       - bash: echo "##vso[task.prependpath]$CONDA/bin"
diff --git a/.azure-pipelines/unix-build.yml b/.azure-pipelines/unix-build.yml
index 6f520acec..df6f80622 100644
--- a/.azure-pipelines/unix-build.yml
+++ b/.azure-pipelines/unix-build.yml
@@ -39,6 +39,9 @@ steps:
       if [[ $(force_no_instr_set) == 1 ]]; then
         CMAKE_EXTRA_ARGS="$CMAKE_EXTRA_ARGS -DXSIMD_FORCE_X86_INSTR_SET=0 -DXSIMD_FORCE_X86_AMD_INSTR_SET=0";
       fi
+      if [[ $(i686) == 1 ]] ; then
+        CMAKE_EXTRA_ARGS="$CMAKE_EXTRA_ARGS -DCMAKE_CXX_FLAGS='-m32'"
+      fi
 
       cmake -DCMAKE_INSTALL_PREFIX=$CONDA_PREFIX $CMAKE_EXTRA_ARGS -DDOWNLOAD_GTEST=ON -DXSIMD_ENABLE_WERROR=1 $(Build.SourcesDirectory)
     displayName: Configure xsimd
diff --git a/include/xsimd/arch/xsimd_avx2.hpp b/include/xsimd/arch/xsimd_avx2.hpp
index 909e1eb90..e5c73c745 100644
--- a/include/xsimd/arch/xsimd_avx2.hpp
+++ b/include/xsimd/arch/xsimd_avx2.hpp
@@ -173,7 +173,15 @@ namespace xsimd {
                 __m256i tmp2 = _mm256_add_epi64(self, tmp1);
                 __m128i tmp3 = _mm256_extracti128_si256(tmp2, 1);
                 __m128i res = _mm_add_epi64(_mm256_castsi256_si128(tmp2), tmp3);
+#if defined(__x86_64__)
                 return _mm_cvtsi128_si64(res);
+#else
+                __m128i m;
+                _mm_storel_epi64(&m, res);
+                int64_t i;
+                std::memcpy(&i, &m, sizeof(i));
+                return i;
+#endif
           }
           default: return hadd(self, avx{});
       }