diff --git a/.github/workflows/conda-cpp-build.yaml b/.github/workflows/conda-cpp-build.yaml
index b267e200..e3670954 100644
--- a/.github/workflows/conda-cpp-build.yaml
+++ b/.github/workflows/conda-cpp-build.yaml
@@ -49,6 +49,8 @@ jobs:
     steps:
       - name: Compute Build Matrix
         id: compute-matrix
+        env:
+          MATRIX_FILTER: ${{ inputs.matrix_filter }}
         run: |
           set -eo pipefail
 
@@ -67,7 +69,7 @@ jobs:
 
           MATRIX="$(
             yq -n -o json 'env(MATRIX)' | \
-            jq -c '${{ inputs.matrix_filter }} | if (. | length) > 0 then {include: .} else "Error: Empty matrix\n" | halt_error(1) end'
+            jq -c "${MATRIX_FILTER} | if (. | length) > 0 then {include: .} else \"Error: Empty matrix\n\" | halt_error(1) end"
           )"
 
           echo "MATRIX=${MATRIX}" | tee --append "${GITHUB_OUTPUT}"
diff --git a/.github/workflows/conda-cpp-tests.yaml b/.github/workflows/conda-cpp-tests.yaml
index 94178d91..2ef7d4b8 100644
--- a/.github/workflows/conda-cpp-tests.yaml
+++ b/.github/workflows/conda-cpp-tests.yaml
@@ -58,6 +58,8 @@ jobs:
           fi
       - name: Compute C++ Test Matrix
         id: compute-matrix
+        env:
+          MATRIX_FILTER: ${{ inputs.matrix_filter }}
         run: |
           set -eo pipefail
 
@@ -96,7 +98,7 @@ jobs:
 
           MATRIX="$(
             yq -n -o json 'env(TEST_MATRIX)' | \
-            jq -c '${{ inputs.matrix_filter }} | if (. | length) > 0 then {include: .} else "Error: Empty matrix\n" | halt_error(1) end'
+            jq -c "${MATRIX_FILTER} | if (. | length) > 0 then {include: .} else \"Error: Empty matrix\n\" | halt_error(1) end"
           )"
 
           echo "MATRIX=${MATRIX}" | tee --append "${GITHUB_OUTPUT}"
diff --git a/.github/workflows/conda-python-build.yaml b/.github/workflows/conda-python-build.yaml
index cf33ddbd..46dd4308 100644
--- a/.github/workflows/conda-python-build.yaml
+++ b/.github/workflows/conda-python-build.yaml
@@ -49,6 +49,8 @@ jobs:
     steps:
       - name: Compute Build Matrix
         id: compute-matrix
+        env:
+          MATRIX_FILTER: ${{ inputs.matrix_filter }}
         run: |
           set -eo pipefail
 
@@ -75,7 +77,7 @@ jobs:
 
           MATRIX="$(
             yq -n -o json 'env(MATRIX)' | \
-            jq -c '${{ inputs.matrix_filter }} | if (. | length) > 0 then {include: .} else "Error: Empty matrix\n" | halt_error(1) end'
+            jq -c "${MATRIX_FILTER} | if (. | length) > 0 then {include: .} else \"Error: Empty matrix\n\" | halt_error(1) end"
           )"
 
           echo "MATRIX=${MATRIX}" | tee --append "${GITHUB_OUTPUT}"
diff --git a/.github/workflows/conda-python-tests.yaml b/.github/workflows/conda-python-tests.yaml
index 7bb0fb03..b8b49887 100644
--- a/.github/workflows/conda-python-tests.yaml
+++ b/.github/workflows/conda-python-tests.yaml
@@ -61,6 +61,8 @@ jobs:
           fi
       - name: Compute Python Test Matrix
         id: compute-matrix
+        env:
+          MATRIX_FILTER: ${{ inputs.matrix_filter }}
         run: |
           set -eo pipefail
 
@@ -99,7 +101,7 @@ jobs:
 
           MATRIX="$(
             yq -n -o json 'env(TEST_MATRIX)' | \
-            jq -c '${{ inputs.matrix_filter }} | if (. | length) > 0 then {include: .} else "Error: Empty matrix\n" | halt_error(1) end'
+            jq -c "${MATRIX_FILTER} | if (. | length) > 0 then {include: .} else \"Error: Empty matrix\n\" | halt_error(1) end"
           )"
 
           echo "MATRIX=${MATRIX}" | tee --append "${GITHUB_OUTPUT}"
diff --git a/.github/workflows/wheels-build.yaml b/.github/workflows/wheels-build.yaml
index 736476af..f730e0bc 100644
--- a/.github/workflows/wheels-build.yaml
+++ b/.github/workflows/wheels-build.yaml
@@ -82,6 +82,8 @@ jobs:
     steps:
       - name: Compute Build Matrix
         id: compute-matrix
+        env:
+          MATRIX_FILTER: ${{ inputs.matrix_filter }}
         run: |
           set -eo pipefail
 
@@ -108,7 +110,7 @@ jobs:
 
           MATRIX="$(
             yq -n -o json 'env(MATRIX)' | \
-            jq -c '${{ inputs.matrix_filter }} | if (. | length) > 0 then {include: .} else "Error: Empty matrix\n" | halt_error(1) end'
+            jq -c "${MATRIX_FILTER} | if (. | length) > 0 then {include: .} else \"Error: Empty matrix\n\" | halt_error(1) end"
           )"
 
           echo "MATRIX=${MATRIX}" | tee --append "${GITHUB_OUTPUT}"
diff --git a/.github/workflows/wheels-test.yaml b/.github/workflows/wheels-test.yaml
index 239d6999..775df400 100644
--- a/.github/workflows/wheels-test.yaml
+++ b/.github/workflows/wheels-test.yaml
@@ -70,6 +70,8 @@ jobs:
           fi
       - name: Compute test matrix
         id: compute-matrix
+        env:
+          MATRIX_FILTER: ${{ inputs.matrix_filter }}
         run: |
           set -eo pipefail
 
@@ -106,7 +108,7 @@ jobs:
 
           MATRIX="$(
             yq -n -o json 'env(TEST_MATRIX)' | \
-            jq -c '${{ inputs.matrix_filter }} | if (. | length) > 0 then {include: .} else "Error: Empty matrix\n" | halt_error(1) end'
+            jq -c "${MATRIX_FILTER} | if (. | length) > 0 then {include: .} else \"Error: Empty matrix\n\" | halt_error(1) end"
           )"
 
           echo "MATRIX=${MATRIX}" | tee --append "${GITHUB_OUTPUT}"