diff --git a/python3.9.spec b/python3.9.spec
index c8048fa..e724590 100644
--- a/python3.9.spec
+++ b/python3.9.spec
@@ -1204,7 +1204,7 @@ done
 
 # Verify that the bundled libmpdec version python was compiled with, is the same version we have virtual
 # provides for in the SPEC.
-test "$($(pwd)/build/optimized/python -c 'import decimal; print(decimal.__libmpdec_version__)')" = \
+test "$(LD_LIBRARY_PATH=$(pwd)/build/optimized $(pwd)/build/optimized/python -c 'import decimal; print(decimal.__libmpdec_version__)')" = \
      "%{libmpdec_version}"