diff --git a/src/moab/MSR.c b/src/moab/MSR.c
index 7b0af11..b692f08 100644
--- a/src/moab/MSR.c
+++ b/src/moab/MSR.c
@@ -2706,7 +2706,7 @@ int MSRProcessOConfig(
       char *TokPtr;
 
       int index;
-      int FMap[MAX_MATTR >> 5];
+      int FMap[(MAX_MATTR >> 5) + 1];
 
       MUBMClear(FMap,MAX_MATTR);
 
diff --git a/src/server/UserI.c b/src/server/UserI.c
index 45ddcd0..a1abead 100644
--- a/src/server/UserI.c
+++ b/src/server/UserI.c
@@ -5557,7 +5557,7 @@ int MUIJobSetAttr(
       {
       mqos_t *Q;
 
-      int QAL[MAX_MQOS >> 5];
+      int QAL[(MAX_MQOS >> 5) + 1];
 
       if (!(CFlags & ((1 << fAdmin1) | (1 << fAdmin2))) &&
          (JobOwner == FALSE))