diff --git a/.github/composite-actions/build-modified-postgres/action.yml b/.github/composite-actions/build-modified-postgres/action.yml
index b5ce01f625..104b0a21ec 100644
--- a/.github/composite-actions/build-modified-postgres/action.yml
+++ b/.github/composite-actions/build-modified-postgres/action.yml
@@ -91,9 +91,9 @@ runs:
         }
         engine_version="${{ inputs.engine_version }}"
         if [[ "$engine_version" != "source.latest" && "$engine_version" != "target.latest" ]] && version_lt "$engine_version" "17.5"; then
-          export CC=gcc-9
+          export CC='ccache gcc-9'
         else
-          export CC=gcc
+          export CC='ccache gcc'
         fi
 
         echo "${{env.SAVE_CCACHE}}"
@@ -101,13 +101,13 @@ runs:
         cd ..
         cd postgresql_modified_for_babelfish
         if [[ ${{inputs.tap_tests}} == "yes" ]]; then
-          ./configure CC='ccache gcc' --prefix=$HOME/${{ inputs.install_dir }}/ --with-python PYTHON=/usr/bin/python3 --without-readline --enable-cassert CFLAGS="-ggdb" --with-libxml --with-uuid=ossp --with-icu --enable-tap-tests --with-gssapi
+          ./configure --prefix=$HOME/${{ inputs.install_dir }}/ --with-python PYTHON=/usr/bin/python3 --without-readline --enable-cassert CFLAGS="-ggdb" --with-libxml --with-uuid=ossp --with-icu --enable-tap-tests --with-gssapi
         elif [[ ${{inputs.code_coverage}} == "yes" ]]; then
-          ./configure CC='ccache gcc' --prefix=$HOME/${{ inputs.install_dir }}/ --with-python PYTHON=/usr/bin/python3  --without-readline --enable-coverage --enable-cassert CFLAGS="-ggdb" --with-libxml --with-uuid=ossp --with-icu
+          ./configure --prefix=$HOME/${{ inputs.install_dir }}/ --with-python PYTHON=/usr/bin/python3  --without-readline --enable-coverage --enable-cassert CFLAGS="-ggdb" --with-libxml --with-uuid=ossp --with-icu
         elif [[ ${{inputs.release_mode}} == "yes" ]]; then
-            ./configure CC='ccache gcc' --prefix=$HOME/${{ inputs.install_dir }}/ --with-python PYTHON=/usr/bin/python3 CFLAGS="-ggdb -O2" --without-readline --with-libxml --with-uuid=ossp --with-icu
+            ./configure --prefix=$HOME/${{ inputs.install_dir }}/ --with-python PYTHON=/usr/bin/python3 CFLAGS="-ggdb -O2" --without-readline --with-libxml --with-uuid=ossp --with-icu
         else
-            ./configure CC='ccache gcc' --prefix=$HOME/${{ inputs.install_dir }}/ --with-python PYTHON=/usr/bin/python3 --without-readline --enable-cassert CFLAGS="-ggdb" --with-libxml --with-uuid=ossp --with-icu
+            ./configure --prefix=$HOME/${{ inputs.install_dir }}/ --with-python PYTHON=/usr/bin/python3 --without-readline --enable-cassert CFLAGS="-ggdb" --with-libxml --with-uuid=ossp --with-icu
         fi
         make -j 4
         make install