diff --git a/CHANGES.md b/CHANGES.md
index 04190e1..336b1bd 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,7 @@
+# v0.3.15
+
+*  fixed issing perfdata units for perf checks reporting *BytesPerSecond @ccztux #31
+
 # v0.3.14
 
 * report warning if we miss datastores we want to check
diff --git a/checkvsphere/vcmd/perf.py b/checkvsphere/vcmd/perf.py
index 80439ce..886b49e 100644
--- a/checkvsphere/vcmd/perf.py
+++ b/checkvsphere/vcmd/perf.py
@@ -56,6 +56,9 @@ def get_counter_info(counter):
         info['factor'] = 0.01
         info['unit'] = '%'
         info['perfUnit'] = '%'
+    elif unit.endswith('BytesPerSecond'):
+        unit = counter.unitInfo.key.capitalize()
+        info['perfUnit'] = unit[0] + 'B'
     elif unit.endswith('Bytes'):
         unit = unit.capitalize()
         info['perfUnit'] = unit[0] + 'B'
diff --git a/pyproject.toml b/pyproject.toml
index 5ac41f7..d71ec56 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,7 @@ requires = ["flit_core >=3.2,<4"]
 name = "checkvsphere"
 readme = "README.md"
 description = "check_vsphere monitoring plugin"
-version = "0.3.14"
+version = "0.3.15"
 requires-python = ">= 3.6"
 authors = [
     { name = "Danijel Tasov", email = "danijel.tasov@consol.de" }