diff --git a/.github/workflows/pmem_test_matrix.yml b/.github/workflows/pmem_test_matrix.yml
index fc47d592de0..4b62b0c6788 100644
--- a/.github/workflows/pmem_test_matrix.yml
+++ b/.github/workflows/pmem_test_matrix.yml
@@ -38,7 +38,7 @@ jobs:
       - name: Test prepare
         uses: ./.github/actions/pmem_test_prepare
         with:
-          valgrind: ${{ fromJSON(inputs.valgrind) }}
+          valgrind: ${{ inputs.valgrind }}
 
       - name: Test run
         uses: ./.github/actions/pmem_test_run
@@ -46,4 +46,3 @@ jobs:
           test_script: ${{ matrix.test_script }}
           build: ${{ matrix.build }}
           force_enable: ${{ matrix.force_enable }}
-          valgrind: ${{ fromJSON(inputs.valgrind) }}
diff --git a/.github/workflows/pmem_tests.yml b/.github/workflows/pmem_tests.yml
index 0efa1a5469b..7b4ce111f33 100644
--- a/.github/workflows/pmem_tests.yml
+++ b/.github/workflows/pmem_tests.yml
@@ -28,6 +28,7 @@ jobs:
       force_enable: '["pmemcheck", "memcheck"]'
       valgrind: 1
 
+
   # Test the default build with force-enabled Valgrind tooling for thread error
   # detection.
   Thread:
@@ -38,6 +39,7 @@ jobs:
       # 9h = 7h20m (the longest workflow execution time) + ~20% leeway.
       timeout_minutes: 540
 
+
   # Static builds are tested in this limited scope only.
   static:
     name: Static
@@ -108,3 +110,11 @@ jobs:
         uses: ./.github/actions/pmem_test_run
         with:
           build: nondebug # only the production build is considered
+
+  # Test the default build with the basic test suite.
+  Basic_w_Valgrind:
+    uses: ./.github/workflows/pmem_test_matrix.yml
+    with:
+      # Exclude all Valgrind tests but keep Valgrind tools built-in.
+      force_enable: '["none"]'
+      valgrind: 1