diff --git a/src/ptdeco/_version.py b/src/ptdeco/_version.py
index afb7637..4fdf0dc 100644
--- a/src/ptdeco/_version.py
+++ b/src/ptdeco/_version.py
@@ -1,5 +1,5 @@
 # This is parsed by setup.py, so we need to stick to str -> int parsing
-__version__ = "0.5.8"
+__version__ = "0.5.9"
 
 _ver_major = int(__version__.split(".")[0])
 _ver_minor = int(__version__.split(".")[1])
diff --git a/src/ptdeco/dwain/decomposition.py b/src/ptdeco/dwain/decomposition.py
index a46fa57..c9287e2 100644
--- a/src/ptdeco/dwain/decomposition.py
+++ b/src/ptdeco/dwain/decomposition.py
@@ -378,7 +378,7 @@ def _process_module(
 
     msg1 = f"{msg_prefix} {decomposed_type} weight_shape={tuple(orig_weight.shape)}"
     logger.info(msg1 + f" {orig_weight.dtype}")
-    logger.info(f"{msg_prefix} {nsr_final_threshold=:.4f} {max_accepted_ppl_diff=:.4}")
+    logger.info(f"{msg_prefix} {nsr_final_threshold=:.4f} {max_accepted_ppl_diff=:.4f}")
 
     if u_matrix is not None:
         logger.info(f"Using pre-computed u_matrix, {u_matrix.dtype=}")