diff --git a/diploshic/makeFeatureVecsForChrArmFromVcfDiploid.py b/diploshic/makeFeatureVecsForChrArmFromVcfDiploid.py
index de53aaa..b4f2bd2 100644
--- a/diploshic/makeFeatureVecsForChrArmFromVcfDiploid.py
+++ b/diploshic/makeFeatureVecsForChrArmFromVcfDiploid.py
@@ -141,6 +141,10 @@ def readSampleToPopFile(sampleToPopFileName):
         for i in range(len(positions))
         if segmentStart <= positions[i] <= segmentEnd
     ]
+    if len(snpIndicesToKeep) == 0:
+        sys.exit(
+            "Error: no SNPs in the given segment of the chr arm; exiting\n"
+        )
     positions = [positions[i] for i in snpIndicesToKeep]
     genos = allel.GenotypeArray(genos.subset(sel0=snpIndicesToKeep))
 
diff --git a/diploshic/makeFeatureVecsForChrArmFromVcf_ogSHIC.py b/diploshic/makeFeatureVecsForChrArmFromVcf_ogSHIC.py
index 31b4b8f..4ab6d60 100644
--- a/diploshic/makeFeatureVecsForChrArmFromVcf_ogSHIC.py
+++ b/diploshic/makeFeatureVecsForChrArmFromVcf_ogSHIC.py
@@ -123,6 +123,10 @@ def getSnpIndicesInSubWins(subWinSize, lastSubWinEnd, snpLocs):
         for i in range(len(positions))
         if segmentStart <= positions[i] <= segmentEnd
     ]
+    if len(snpIndicesToKeep) == 0:
+        sys.exit(
+            "Error: no SNPs in the given segment of the chr arm; exiting\n"
+        )
     positions = [positions[i] for i in snpIndicesToKeep]
     refAlleles = [refAlleles[i] for i in snpIndicesToKeep]
     altAlleles = [altAlleles[i] for i in snpIndicesToKeep]
diff --git a/meta.yaml b/meta.yaml
index 86d32d7..4f2385f 100644
--- a/meta.yaml
+++ b/meta.yaml
@@ -1,6 +1,6 @@
 package:
  name: diploshic
- version: "0.34"
+ version: "0.4"
  
 source:
  git_url: https://github.com/kr-colab/diploshic