diff --git a/bin/terminate b/bin/terminate
index da3fcad..a904f4c 100755
--- a/bin/terminate
+++ b/bin/terminate
@@ -98,7 +98,7 @@ if [ "$ERROR" -eq 1 ]; then
 fi
 
 exitIfEmpty "$INPUT_FILE" "Input file is missing (-i)"
-exitIfEmpty "$OUTPUT_FILE" "Output file is missing (-i)"
+exitIfEmpty "$OUTPUT_FILE" "Output file is missing (-o)"
 
 if [ ! -f "$INPUT_FILE" ]; then
 	error "No such file: $INPUT_FILE"