diff --git a/tools/dreport.d/dreport b/tools/dreport.d/dreport
index b390674..9dee258 100755
--- a/tools/dreport.d/dreport
+++ b/tools/dreport.d/dreport
@@ -200,11 +200,11 @@
     summary_log="$name_dir/$SUMMARY_LOG"
 
     #Type
-    if [[ $dump_type != $TYPE_USER ]] || \
-        [[ $dump_type != $TYPE_CORE ]] || \
-        [[ $dump_type != $TYPE_ELOG ]] || \
-        [[ $dump_type != $TYPE_RAMOOPS ]] || \
-        [[ $dump_type != $TYPE_CHECKSTOP ]]; then
+    if ! { [[ $dump_type = "$TYPE_USER" ]] || \
+            [[ $dump_type = "$TYPE_CORE" ]] || \
+            [[ $dump_type = "$TYPE_ELOG" ]] || \
+            [[ $dump_type = "$TYPE_RAMOOPS" ]] || \
+            [[ $dump_type = "$TYPE_CHECKSTOP" ]]; }; then
         log_error "Invalid -type, Only summary log is available"
         dump_type=$SUMMARY_DUMP
     fi