diff --git a/.github/actions/macos-setup/action.yml b/.github/actions/macos-setup/action.yml
index fecbe787b5..4c248abd11 100644
--- a/.github/actions/macos-setup/action.yml
+++ b/.github/actions/macos-setup/action.yml
@@ -16,3 +16,18 @@ runs:
         brew install netcdf-fortran
         brew install mpich
         echo "::endgroup::"
+
+    # NOTE: Floating point exceptions are currently disabled due to an error in
+    # HDF5 1.4.3.  They will be re-enabled when the default brew version has
+    # been updated to a working version.
+
+    - name: Set compiler flags
+      shell: bash
+      run: |
+        cd .testing
+        echo "FCFLAGS_DEBUG = -g -O0 -Wextra -Wno-compare-reals -fbacktrace -fcheck=bounds" >> config.mk
+        echo "FCFLAGS_REPRO = -g -O2 -fbacktrace" >> config.mk
+        echo "FCFLAGS_INIT = -finit-real=snan -finit-integer=2147483647 -finit-derived" >> config.mk
+        echo "FCFLAGS_FMS = -g -fbacktrace -O0" >> config.mk
+        cat config.mk
+        echo "::endgroup::"
diff --git a/.github/actions/testing-setup/action.yml b/.github/actions/testing-setup/action.yml
index 6ba149d927..a15dd6d0a2 100644
--- a/.github/actions/testing-setup/action.yml
+++ b/.github/actions/testing-setup/action.yml
@@ -31,17 +31,6 @@ runs:
         REPORT_ERROR_LOGS=true make deps/lib/libFMS.a -s -j
         echo "::endgroup::"
 
-    - name: Store compiler flags used in Makefile
-      shell: bash
-      run: |
-        echo "::group::config.mk"
-        cd .testing
-        echo "FCFLAGS_DEBUG=-g -O0 -Wextra -Wno-compare-reals -fbacktrace -ffpe-trap=invalid,zero,overflow -fcheck=bounds" >> config.mk
-        echo "FCFLAGS_REPRO=-g -O2 -fbacktrace" >> config.mk
-        echo "FCFLAGS_INIT=-finit-real=snan -finit-integer=2147483647 -finit-derived" >> config.mk
-        cat config.mk
-        echo "::endgroup::"
-
     - name: Compile MOM6 in symmetric memory mode
       shell: bash
       run: |
diff --git a/.github/actions/ubuntu-setup/action.yml b/.github/actions/ubuntu-setup/action.yml
index 3f3ba5f0b6..83d6795954 100644
--- a/.github/actions/ubuntu-setup/action.yml
+++ b/.github/actions/ubuntu-setup/action.yml
@@ -17,3 +17,15 @@ runs:
         sudo apt-get install libopenmpi-dev
         sudo apt-get install linux-tools-common
         echo "::endgroup::"
+
+    - name: Store compiler flags used in Makefile
+      shell: bash
+      run: |
+        echo "::group::config.mk"
+        cd .testing
+        echo "FCFLAGS_DEBUG = -g -O0 -Wextra -Wno-compare-reals -fbacktrace -ffpe-trap=invalid,zero,overflow -fcheck=bounds" >> config.mk
+        echo "FCFLAGS_REPRO = -g -O2 -fbacktrace" >> config.mk
+        echo "FCFLAGS_INIT = -finit-real=snan -finit-integer=2147483647 -finit-derived" >> config.mk
+        echo "FCFLAGS_FMS = -g -fbacktrace -O0" >> config.mk
+        cat config.mk
+        echo "::endgroup::"