diff --git a/Packages/MIES/MIES_AnalysisFunctions_PatchSeq.ipf b/Packages/MIES/MIES_AnalysisFunctions_PatchSeq.ipf
index 472f457042..94457c4754 100644
--- a/Packages/MIES/MIES_AnalysisFunctions_PatchSeq.ipf
+++ b/Packages/MIES/MIES_AnalysisFunctions_PatchSeq.ipf
@@ -2088,19 +2088,20 @@ Function/WAVE PSQ_DS_GatherOvershootCorrection(WAVE apfreqParam, WAVE DAScalesPa
 	for(i = 0; i < numIterations; i += 1)
 		y  = apfreq[i]
 		yp = apfreq[i + 1]
+		x  = DAScales[i]
+		xp = DAScales[i + 1]
 
 		frac = yp / y - 1
 
-		if(frac > (maxFrequencyChangePercent * PERCENT_TO_ONE) && abs(yp - y) > AbsFrequencyDistance)
-			x  = DAScales[i]
-			xp = DAScales[i + 1]
+		if(frac > (maxFrequencyChangePercent * PERCENT_TO_ONE) \
+		   && abs(yp - y) > ABS_FREQUENCY_MIN_DISTANCE)
 			xm = (xp + x) / 2
 
+			// only add it if we haven't measured it already
 			if(WaveExists(futureDAScalesHistoric) && !IsNaN(GetRowIndex(futureDAScalesHistoric, val = xm)))
 				continue
 			endif
 
-			// only add it if we haven't measured it already
 			EnsureLargeEnoughWave(results, indexShouldExist = idx)
 			ASSERT(yp > y, "Incorrect data ordering")
 
@@ -2143,15 +2144,16 @@ Function PSQ_DS_CalculateDAScale(variable a, variable m, variable x, variable y,
 	sprintf msg, "result %g with a=%g, m=%g, y=%g, c=%g\r", xp, a, m, y, c
 	DEBUGPRINT(msg)
 
-	ASSERT(IsFinite(xp), "Invalid calculated DaScale value")
+	ASSERT(ABS_FREQUENCY_MIN_DISTANCE < ABS_DASCALE_MAX_DISTANCE, "Invalid constant ordering")
 
-	if(abs(y - yp) < AbsFrequencyDistance)
-			xp = x + AbsDAScaleDistance
-//		else
-//			xp = ((y + AbsFrequencyDistance) - a) / (m)
-//		endif
+	if(CheckIfSmall(m) || abs(x - xp) > ABS_DASCALE_MAX_DISTANCE)
+		xp = x + ABS_DASCALE_MAX_DISTANCE
+	elseif(abs(y - yp) < ABS_FREQUENCY_MIN_DISTANCE)
+		xp = x + ABS_DASCALE_MIN_DISTANCE
 	endif
 
+	ASSERT(IsFinite(xp), "Invalid calculated DaScale value")
+
 	return xp
 End