diff --git a/core/src/lib/qualified_resource_name_type_converter.cc b/core/src/lib/qualified_resource_name_type_converter.cc
index f2bc6c7eefe..0cb5caff09b 100644
--- a/core/src/lib/qualified_resource_name_type_converter.cc
+++ b/core/src/lib/qualified_resource_name_type_converter.cc
@@ -61,7 +61,7 @@ bool QualifiedResourceNameTypeConverter::ResourceToString(const std::string &nam
 {
   std::string r_name = ResourceTypeToString(r_type);
   if (r_name.empty()) { return false; }
-  str_out = r_name + std::string(":") + name_of_resource;
+  str_out = r_name + record_separator_ + name_of_resource;
   return true;
 }
 
@@ -72,7 +72,7 @@ bool QualifiedResourceNameTypeConverter::ResourceToString(const std::string &nam
 {
   std::string r_name = ResourceTypeToString(r_type);
   if (r_name.empty()) { return false; }
-  str_out = r_name + std::string(":") + name_of_resource + std::string(":") + std::to_string(job_id);
+  str_out = r_name + record_separator_ + name_of_resource + record_separator_ + std::to_string(job_id);
   return true;
 }
 
@@ -94,7 +94,7 @@ bool QualifiedResourceNameTypeConverter::StringToResource(std::string &name_of_r
                                                           const std::string &str_in) const
 {
   std::vector<std::string> string_list;
-  SplitStringIntoList(str_in, string_list, ':', 3);
+  SplitStringIntoList(str_in, string_list, record_separator_, 3);
   if (string_list.size() < 2) { /* minimum of parameters are name_of_resource and r_type */
     return false;
   }
diff --git a/core/src/lib/qualified_resource_name_type_converter.h b/core/src/lib/qualified_resource_name_type_converter.h
index cfc71282cd7..8d736f2faa3 100644
--- a/core/src/lib/qualified_resource_name_type_converter.h
+++ b/core/src/lib/qualified_resource_name_type_converter.h
@@ -34,7 +34,8 @@ class QualifiedResourceNameTypeConverter {
                         std::string &out) const;
   bool StringToResource(std::string &name_of_resource, int &r_type, int &job_id, const std::string &in) const;
 
- private:
+private:
+  static constexpr char record_separator_ = 0x1e;
   const std::map<int, std::string> type_name_relation_map_;
   const std::map<std::string, int> name_type_relation_map_;
 
diff --git a/core/src/lib/unittests/qualified_resource_name_type_converter_test.cc b/core/src/lib/unittests/qualified_resource_name_type_converter_test.cc
index 31a00e2bc9c..3429b3eeaf5 100644
--- a/core/src/lib/unittests/qualified_resource_name_type_converter_test.cc
+++ b/core/src/lib/unittests/qualified_resource_name_type_converter_test.cc
@@ -25,6 +25,8 @@
 #undef private
 #include "include/bareos.h"
 
+static constexpr char record_separator_ = 0x1e;
+
 enum
 {
   kOne                = 1,
@@ -55,12 +57,16 @@ TEST(QualifiedResourceNameTypeConverter, StringToType)
   EXPECT_EQ(c.StringToResourceType("kNotInsertedIntoMap"), -1);
 
   job_id = -1; /* job_id should be unchanged */
-  ok     = c.StringToResource(name, r_type, job_id, "kOne:Developer");
+  std::string tmp;
+  tmp = std::string("kOne") + record_separator_ + std::string("Developer");
+  ok  = c.StringToResource(name, r_type, job_id, tmp);
   EXPECT_EQ(ok, true);
   EXPECT_EQ(job_id, -1);
 
-  job_id = -1; /* job_id should will be changed */
-  ok     = c.StringToResource(name, r_type, job_id, "kOne:Developer:123");
+  job_id            = -1; /* job_id will be changed in this test */
+  std::string test1 = std::string("kOne") + record_separator_ + std::string("Developer") + record_separator_ +
+                      std::string("123");
+  ok = c.StringToResource(name, r_type, job_id, test1.c_str());
   EXPECT_EQ(ok, true);
   EXPECT_EQ(r_type, kOne);
   EXPECT_EQ(job_id, 123);
@@ -71,8 +77,10 @@ TEST(QualifiedResourceNameTypeConverter, StringToType)
   EXPECT_EQ(ok, false);
 
   /* try invalid job_id (not a number) */
-  job_id = -2; /* job_id should be unchanged */
-  ok     = c.StringToResource(name, r_type, job_id, "kOne:Developer:foo");
+  job_id = -2; /* job_id should be unchanged in this test */
+  std::string test2 = std::string("kOne") + record_separator_ + std::string("Developer") + record_separator_ +
+                      std::string("foo");
+  ok     = c.StringToResource(name, r_type, job_id, test2.c_str());
   EXPECT_EQ(ok, false);
   EXPECT_EQ(job_id, -2);
 }
@@ -94,13 +102,16 @@ TEST(QualifiedResourceNameTypeConverter, TypeToString)
   /* resource without job_id */
   ok = c.ResourceToString("ResourceName", kTwo, result_str);
   EXPECT_EQ(ok, true);
-  EXPECT_STREQ(result_str.c_str(), "kTwo:ResourceName");
+  std::string test1 = std::string("kTwo") + record_separator_ + std::string("ResourceName");
+  EXPECT_STREQ(result_str.c_str(), test1.c_str());
 
   /* resource with job_id */
   job_id = 456;
-  ok     = c.ResourceToString("ResourceName2", kTwo, job_id, result_str);
+  ok     = c.ResourceToString("ResourceName2", kThree, job_id, result_str);
   EXPECT_EQ(ok, true);
-  EXPECT_STREQ(result_str.c_str(), "kTwo:ResourceName2:456");
+  std::string test2 = std::string("kThree") + record_separator_ + std::string("ResourceName2") + record_separator_ +
+                      std::string("456");
+  EXPECT_STREQ(result_str.c_str(), test2.c_str());
 
   /* try invalid resource type */
   ok = c.ResourceToString("ResourceName", kNotInsertedIntoMap, result_str);