diff --git a/parser/parser_yacc.y b/parser/parser_yacc.y
index 5612359be..b721aaa67 100644
--- a/parser/parser_yacc.y
+++ b/parser/parser_yacc.y
@@ -1006,7 +1006,7 @@ factor:	TOK_DEFINED TOK_SET_VAR
 
 factor:	TOK_DEFINED TOK_BOOL_VAR
 	{
-		cond_expr *conds = new cond_expr($2, BOOLEAN_OP);
+		cond_expr *conds = new cond_expr($2, DEFINED_OP);
 		PDEBUG("Matched: defined set expr %s value %d\n", $2, conds->eval());
 		$$ = conds;
 		free($2);
diff --git a/parser/tst/simple_tests/conditional/ok_31.sd b/parser/tst/simple_tests/conditional/ok_31.sd
new file mode 100644
index 000000000..678989e73
--- /dev/null
+++ b/parser/tst/simple_tests/conditional/ok_31.sd
@@ -0,0 +1,8 @@
+#=DESCRIPTION conditional within profile
+#=EXRESULT PASS
+
+/bin/true {
+  if defined $UNKNOWN {
+      /bin/true rix,
+  }
+}