diff --git a/snapcraft/parts/plugins/matter_sdk_plugin.py b/snapcraft/parts/plugins/matter_sdk_plugin.py
index e37c04dfa40..0f2813db0f5 100644
--- a/snapcraft/parts/plugins/matter_sdk_plugin.py
+++ b/snapcraft/parts/plugins/matter_sdk_plugin.py
@@ -167,11 +167,12 @@ def get_build_commands(self) -> List[str]:
             ]
         )
 
-        # Prepend the Matter SDK related PATH to the beginning of the PATH environment variable
-        # and save it to the matter-sdk-env.sh file
+        # Prepend the Matter SDK related PATH to the beginning of the PATH environment variable,
+        # save it to the matter-sdk-env.sh file,
+        # and copy the file into the staging area.
         commands.extend(
             [
-                'echo "export PATH=$MATTER_SDK_PATHS\\$PATH" >> matter-sdk-env.sh',
+                'echo "export PATH=$MATTER_SDK_PATHS\\$PATH" >> $CRAFT_STAGE/matter-sdk-env.sh',
             ]
         )
 
diff --git a/tests/spread/plugins/craft-parts/matter-sdk/snapcraft.yaml b/tests/spread/plugins/craft-parts/matter-sdk/snapcraft.yaml
index 2a38b859a39..73766084c81 100644
--- a/tests/spread/plugins/craft-parts/matter-sdk/snapcraft.yaml
+++ b/tests/spread/plugins/craft-parts/matter-sdk/snapcraft.yaml
@@ -34,7 +34,7 @@ parts:
     after: [matter-sdk]
     override-build: |
       # Source the Matter SDK environment variables
-      source ../../matter-sdk/build/matter-sdk-env.sh
+      source $CRAFT_STAGE/matter-sdk-env.sh
 
       # Build the lighting app for snapcraft spread testing purposes
       cd ../../matter-sdk/build/examples/lighting-app/linux
diff --git a/tests/unit/parts/plugins/test_matter_sdk_plugin.py b/tests/unit/parts/plugins/test_matter_sdk_plugin.py
index 1d83781173d..0431fa1fd00 100644
--- a/tests/unit/parts/plugins/test_matter_sdk_plugin.py
+++ b/tests/unit/parts/plugins/test_matter_sdk_plugin.py
@@ -110,7 +110,7 @@ def test_get_build_commands(part_info):
         "set +u && source scripts/setup/bootstrap.sh --platform build && set -u",
         "echo 'Built Matter SDK'",
         'MATTER_SDK_PATHS="${PATH%$OLD_PATH}"',
-        'echo "export PATH=$MATTER_SDK_PATHS\\$PATH" >> matter-sdk-env.sh',
+        'echo "export PATH=$MATTER_SDK_PATHS\\$PATH" >> $CRAFT_STAGE/matter-sdk-env.sh',
     ]
 
     assert plugin.get_build_commands() == expected_commands