diff --git a/.scripts/build_steps.sh b/.scripts/build_steps.sh
index a5836e8d..ba4b251c 100755
--- a/.scripts/build_steps.sh
+++ b/.scripts/build_steps.sh
@@ -72,7 +72,6 @@ else
         --suppress-variables ${EXTRA_CB_OPTIONS:-} \
         --clobber-file "${CI_SUPPORT}/clobber_${CONFIG}.yaml" \
         --extra-meta flow_run_id="${flow_run_id:-}" remote_url="${remote_url:-}" sha="${sha:-}"
-
     ( startgroup "Inspecting artifacts" ) 2> /dev/null
 
     # inspect_artifacts was only added in conda-forge-ci-setup 4.6.0
diff --git a/recipe/build-mpi.sh b/recipe/build-mpi.sh
index 5ebf122a..7d8979e9 100755
--- a/recipe/build-mpi.sh
+++ b/recipe/build-mpi.sh
@@ -14,6 +14,8 @@ unset FFLAGS F77 F90 F95
 wrapper_ldflags="-L$PREFIX/lib -Wl,-rpath,$PREFIX/lib"
 export LIBRARY_PATH="$PREFIX/lib"
 if [[ "$target_platform" == osx-* ]]; then
+    # FIXME: remove autogen when autotools patch no longer required
+    perl autogen.pl --force
     if [[ -n "$CONDA_BUILD_SYSROOT" ]]; then
         export CFLAGS="$CFLAGS -isysroot $CONDA_BUILD_SYSROOT"
         export CXXFLAGS="$CXXFLAGS -isysroot $CONDA_BUILD_SYSROOT"
@@ -61,6 +63,7 @@ fi
             --enable-mpi-fortran \
             --disable-wrapper-rpath \
             --disable-wrapper-runpath \
+            --with-mpi-moduledir="$PREFIX/include" \
             --with-wrapper-cflags="-I$PREFIX/include" \
             --with-wrapper-cxxflags="-I$PREFIX/include" \
             --with-wrapper-fcflags="-I$PREFIX/include" \
@@ -78,13 +81,6 @@ fi
 make -j"${CPU_COUNT:-1}"
 make install
 
-# openmpi installs .mod files in the wrong prefix (/lib instead of /include)
-# symlink instead of copy to avoid breaking anything (unlikely)
-for f in $PREFIX/lib/*.mod; do
-  modname=$(basename "$f")
-  ln -sv "../lib/${modname}" "$PREFIX/include/${modname}"
-done
-
 POST_LINK=$PREFIX/bin/.openmpi-post-link.sh
 if [ -n "$build_with_ucx" ]; then
     echo "setting MCA pml to ^ucx..."
diff --git a/recipe/ldflags-mac.patch b/recipe/ldflags-mac.patch
new file mode 100644
index 00000000..dcedc7b5
--- /dev/null
+++ b/recipe/ldflags-mac.patch
@@ -0,0 +1,31 @@
+From e70f0a4afb1277e52389267777d260229b468ec0 Mon Sep 17 00:00:00 2001
+From: Min RK <benjaminrk@gmail.com>
+Date: Mon, 29 Jul 2024 12:50:59 +0200
+Subject: [PATCH] typo in LDFLAGS_save_xcode variable name
+
+resulted in effectively overriding LDFLAGS='' on mac
+---
+ config/ompi_setup_fc.m4 | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/config/ompi_setup_fc.m4 b/config/ompi_setup_fc.m4
+index 53c3cd96da..c147bf2b60 100644
+--- a/config/ompi_setup_fc.m4
++++ b/config/ompi_setup_fc.m4
+@@ -212,11 +212,11 @@ end program
+     AS_IF([test $xcode_happy -eq 1],
+           [ # Restore LDFLAFGS + the new flags (i.e., get rid of the
+             # "-L." we added for this test)
+-           LDFLAGS="$LDFLAGS_xcode_save $1"
++           LDFLAGS="$LDFLAGS_save_xcode $1"
+            $2],
+           [ # If we failed the test, reset LDFLAGS back to its
+             # original value.
+-           LDFLAGS=$LDFLAGS_xcode_save
++           LDFLAGS=$LDFLAGS_save_xcode
+            $3])
+ 
+     OPAL_VAR_SCOPE_POP
+-- 
+2.45.0
+
diff --git a/recipe/meta.yaml b/recipe/meta.yaml
index 4578cdd7..f20d95f4 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -1,7 +1,7 @@
-{% set version = "5.0.3" %}
+{% set version = "5.0.5" %}
 {% set major = version.rpartition('.')[0] %}
 {% set cuda_major = (cuda_compiler_version|default("11.8")).rpartition('.')[0] %}
-{% set build = 10 %}
+{% set build = 0 %}
 
 # give conda package a higher build number
 {% if mpi_type == 'conda' %}
@@ -16,7 +16,9 @@ package:
 source:
   fn: openmpi-{{ version }}.tar.bz2
   url: https://www.open-mpi.org/software/ompi/v{{ major }}/downloads/openmpi-{{ version }}.tar.bz2
-  sha256: 990582f206b3ab32e938aa31bbf07c639368e4405dca196fabe7f0f76eeda90b
+  sha256: 6588d57c0a4bd299a24103f4e196051b29e8b55fbda49e11d5b3d32030a32776
+  patches:
+    - ldflags-mac.patch  # [osx]
 
 build:
   number: {{ build }}
@@ -48,8 +50,9 @@ outputs:
         - {{ compiler('cuda') }}     # [cuda_compiler != "None"]
         - {{ compiler('fortran') }}
         - {{ stdlib('c') }}
-        #- autoconf  # [unix]
-        #- automake  # [unix]
+        # FIXME: autotools required for ldflags-mac.patch
+        - autoconf  # [osx]
+        - automake  # [osx]
         - libtool   # [unix]
         - make  # [unix]
       host:
diff --git a/recipe/run_test.sh b/recipe/run_test.sh
index 38c4a0c1..e03f4f6c 100755
--- a/recipe/run_test.sh
+++ b/recipe/run_test.sh
@@ -28,8 +28,6 @@ if [[ $PKG_NAME == "openmpi" ]]; then
   $MPIEXEC -n 4 ./helloworld.sh
 
   test -f $PREFIX/include/mpi.mod
-  # keep duplicates in original location for now
-  test -f $PREFIX/lib/mpi.mod
 fi
 
 if [[ $PKG_NAME == "openmpi-mpicc" ]]; then