diff --git a/plug-ins/python/tests/test-file-plug-ins/tests/batch-config.ini b/plug-ins/python/tests/test-file-plug-ins/tests/batch-config.ini
index 57a89a0b20..c95863cb0b 100644
--- a/plug-ins/python/tests/test-file-plug-ins/tests/batch-config.ini
+++ b/plug-ins/python/tests/test-file-plug-ins/tests/batch-config.ini
@@ -143,7 +143,7 @@ tests=psd-tests.ini
 [psp]
 enabled=True
 plugin-import=file-psp-load
-extension=psd
+extension=psp
 tests=psp-tests.ini
 
 [qoi]