diff --git a/src/Picocrypt.go b/src/Picocrypt.go
index a0d5f4f..4c4abf1 100644
--- a/src/Picocrypt.go
+++ b/src/Picocrypt.go
@@ -804,7 +804,12 @@ func onDrop(names []string){
 					}
 
 					// Open input file in read-only mode
-					fin,_ := os.Open(names[0]+".pcv.0")
+					var fin *os.File
+					if isSplit{
+						fin,_ = os.Open(names[0]+".pcv.0")
+					}else{
+						fin,_ = os.Open(names[0])
+					}
 
 					// Use regex to test if input is a valid Picocrypt volume
 					tmp := make([]byte,30)