diff --git a/web/export_full_excel.py b/web/export_full_excel.py
index 68b5e75..7a06964 100644
--- a/web/export_full_excel.py
+++ b/web/export_full_excel.py
@@ -87,6 +87,17 @@ def czech_holidays(year):
     return out
 
 
+def pms_hours(value):
+    """PMS (práce mimo směnu) hours — like hours_for, but negative values keep
+    their sign (hours taken off). Matches getPmsHours in FpdCheck.tsx."""
+    if value in ('A', 'B'):
+        return 12
+    try:
+        return float(value)
+    except (ValueError, TypeError):
+        return 0
+
+
 def hours_for(value):
     """Match webapp's getHoursForValue (FpdCheck.tsx):
     A and B count as 12 hours; numeric values as themselves;
@@ -463,6 +474,10 @@ def main():
                 collect(cd.get('nightValue'), is_workday)
             else:
                 collect(cd.get('v'), is_workday)
+        # PMS (práce mimo směnu) counts as worked hours, positive or negative (as in FpdCheck.tsx)
+        pms_v = (person['data'].get(str(-month)) or {}).get('v')
+        if pms_v:
+            worked += pms_hours(pms_v)
         person_fpd = month_fpd - vacation
         diff = worked - person_fpd
         dst = ws.cell(row, 72)
diff --git a/web/src/FpdCheck.tsx b/web/src/FpdCheck.tsx
index 61681f1..185f11b 100644
--- a/web/src/FpdCheck.tsx
+++ b/web/src/FpdCheck.tsx
@@ -23,6 +23,12 @@ interface FpdResult {
   infoOnly: boolean // contractor — never warn on shortfall
 }
 
+function getPmsHours(v: string): number {
+  if (v === 'A' || v === 'B') return 12
+  const num = parseFloat(v)
+  return isNaN(num) ? 0 : num
+}
+
 function getHoursForValue(v: string): number {
   if (v === 'A' || v === 'B') return 12
   const num = parseFloat(v)
@@ -81,8 +87,9 @@ export function computeFpd(
       }
     }
     // PMS (práce mimo směnu) is stored at day-index -month; counts as worked hours.
+    // Unlike day cells it may be negative (hours taken off), so keep the sign.
     const pms = person.data[String(-month)]?.v
-    if (pms) workedHours += getHoursForValue(pms)
+    if (pms) workedHours += getPmsHours(pms)
     const personFpd = workDays * dailyHours - vacationHours
     const diff = workedHours - personFpd
     results.push({