diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index f71a4720..8146bf07 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -136,8 +136,13 @@ jobs:
     
   build_linux_cmake:
     runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: check with spaces
     steps:
     - uses: actions/checkout@v7
+      with:
+        path: check with spaces
     - name: cmake cversion
       run: cmake --version
     - name: create configs
diff --git a/tests/test_log_output.sh b/tests/test_log_output.sh
index 962bf32e..74215eeb 100755
--- a/tests/test_log_output.sh
+++ b/tests/test_log_output.sh
@@ -3,7 +3,7 @@
 OUTPUT_FILE=test.log
 
 . ./test_vars
-. $(dirname $0)/test_output_strings
+. "$(dirname "$0")/test_output_strings"
 
 test_log_output ( ) {
     rm -f ${OUTPUT_FILE}
diff --git a/tests/test_output.sh b/tests/test_output.sh
index c1b31bd0..c1311030 100755
--- a/tests/test_output.sh
+++ b/tests/test_output.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env sh
 
 . ./test_vars
-. $(dirname $0)/test_output_strings
+. "$(dirname "$0")/test_output_strings"
 
 # When the ex_output program is run with the STDOUT_DUMP mode, it will
 # run with the normal output mode, then dump each output mode using
diff --git a/tests/test_tap_output.sh b/tests/test_tap_output.sh
index b74b8064..d666b699 100755
--- a/tests/test_tap_output.sh
+++ b/tests/test_tap_output.sh
@@ -3,7 +3,7 @@
 OUTPUT_FILE=test.tap
 
 . ./test_vars
-. $(dirname $0)/test_output_strings
+. "$(dirname "$0")/test_output_strings"
 
 test_tap_output ( ) {
     rm -f ${OUTPUT_FILE}
diff --git a/tests/test_xml_output.sh b/tests/test_xml_output.sh
index eef550ca..c5899ae0 100755
--- a/tests/test_xml_output.sh
+++ b/tests/test_xml_output.sh
@@ -4,7 +4,7 @@ OUTPUT_FILE=test.xml
 CK_DEFAULT_TIMEOUT=4
 
 . ./test_vars
-. $(dirname $0)/test_output_strings
+. "$(dirname "$0")/test_output_strings"
 
 rm -f ${OUTPUT_FILE}
 export CK_DEFAULT_TIMEOUT