diff --git a/src/fpu/fdivsqrt/fdivsqrtpostproc.sv b/src/fpu/fdivsqrt/fdivsqrtpostproc.sv
index 3b6115201..e9fd2fd2c 100644
--- a/src/fpu/fdivsqrt/fdivsqrtpostproc.sv
+++ b/src/fpu/fdivsqrt/fdivsqrtpostproc.sv
@@ -118,7 +118,7 @@ module fdivsqrtpostproc import cvw::*;  #(parameter cvw_t P) (
       if (BZeroM) begin         // Divide by zero
         if (RemOpM) IntDivResultM = AM;  
         else        IntDivResultM = {(P.XLEN){1'b1}};
-     end else if (ALTBM) begin // Numerator is zero
+     end else if (ALTBM) begin // Numerator is small
         if (RemOpM) IntDivResultM = AM;
         else        IntDivResultM = '0;
      end else       IntDivResultM = PreIntResultM[P.XLEN-1:0];
diff --git a/src/fpu/fdivsqrt/fdivsqrtpreproc.sv b/src/fpu/fdivsqrt/fdivsqrtpreproc.sv
index 137f54d99..66ba957e8 100644
--- a/src/fpu/fdivsqrt/fdivsqrtpreproc.sv
+++ b/src/fpu/fdivsqrt/fdivsqrtpreproc.sv
@@ -198,7 +198,7 @@ module fdivsqrtpreproc import cvw::*;  #(parameter cvw_t P) (
 
     /* verilator lint_off WIDTH */
     assign IntDivNormShiftE = P.DIVb - (CyclesE * P.RK - P.LOGR); // b - rn, used for integer normalization right shift.  rn = Cycles * r * k - r ***explain
-    assign IntRemNormShiftE = mE + (P.DIVb+1-P.XLEN);             // m + b - (N-1) for remainder normalization shift
+    assign IntRemNormShiftE = mE + (P.DIVb-(P.XLEN-1));           // m + b - (N-1) for remainder normalization shift
     /* verilator lint_on WIDTH */
     assign RemOpE = Funct3E[1];
     mux2 #(P.DIVBLEN+1) normshiftmux(IntDivNormShiftE, IntRemNormShiftE, RemOpE, IntNormShiftE);