diff --git a/programs/taskmgr/perfdata.c b/programs/taskmgr/perfdata.c
index 6a88fa31f90..85001b3f244 100644
--- a/programs/taskmgr/perfdata.c
+++ b/programs/taskmgr/perfdata.c
@@ -678,7 +678,7 @@ ULONG PerfDataGetCommitChargeTotalK(void)
 
     EnterCriticalSection(&PerfDataCriticalSection);
 
-    Total = SystemPerfInfo.MmTotalCommitedPages;
+    Total = SystemPerfInfo.MmTotalCommittedPages;
     PageSize = SystemBasicInfo.uPageSize;
 
     LeaveCriticalSection(&PerfDataCriticalSection);
diff --git a/programs/taskmgr/perfdata.h b/programs/taskmgr/perfdata.h
index 3e803d42444..1011461b536 100644
--- a/programs/taskmgr/perfdata.h
+++ b/programs/taskmgr/perfdata.h
@@ -183,7 +183,7 @@ typedef struct _SYSTEM_PERFORMANCE_INFORMATION
 	ULONG		IoWriteOperationCount;
 	ULONG		IoOtherOperationCount;
 	ULONG		MmAvailablePages;
-	ULONG		MmTotalCommitedPages;
+	ULONG		MmTotalCommittedPages;
 	ULONG		MmTotalCommitLimit;
 	ULONG		MmPeakLimit;
 	ULONG		PageFaults;