diff --git a/lib/checkother.cpp b/lib/checkother.cpp
index 250d49f51..f5ef77ef3 100644
--- a/lib/checkother.cpp
+++ b/lib/checkother.cpp
@@ -1769,6 +1769,22 @@ void CheckOther::functionVariableUsage()
                 tok = tok->next();
             }
 
+            // std::string declaration with possible initialization
+            // std::string s; std::string s = "string";
+            else if (Token::Match(tok, "[;{}] static| std :: string %var% ;|="))
+            {
+                tok = tok->next();
+
+                const bool isStatic = tok->str() == "static";
+                if (isStatic)
+                    tok = tok->next();
+
+                tok = tok->tokAt(3);
+                variables.addVar(tok, Variables::standard, info,
+                                 tok->next()->str() == "=" || isStatic);
+                tok = tok->next();
+            }
+
             // standard struct type declaration with possible initialization
             // struct S s; struct S s = { 0 }; static struct S s;
             else if (Token::Match(tok, "[;{}] static| struct %type% %var% ;|=") &&
diff --git a/test/testunusedvar.cpp b/test/testunusedvar.cpp
index b734cb0d8..0134e8bd0 100644
--- a/test/testunusedvar.cpp
+++ b/test/testunusedvar.cpp
@@ -98,6 +98,7 @@ private:
         TEST_CASE(localvarstatic);
         TEST_CASE(localvardynamic);
         TEST_CASE(localvararray1);  // ticket #2780
+        TEST_CASE(localvarstring);
 
         // Don't give false positives for variables in structs/unions
         TEST_CASE(localvarStruct1);
@@ -2781,6 +2782,37 @@ private:
                               "}\n");
         ASSERT_EQUALS("", errout.str());
     }
+
+    void localvarstring() // ticket #1597
+    {
+        functionVariableUsage("void foo() {\n"
+                              "    std::string s;\n"
+                              "}\n");
+        ASSERT_EQUALS("[test.cpp:2]: (style) Unused variable: s\n", errout.str());
+
+        functionVariableUsage("void foo() {\n"
+                              "    std::string s;\n"
+                              "    s = \"foo\";\n"
+                              "}\n");
+        ASSERT_EQUALS("[test.cpp:2]: (style) Variable 's' is assigned a value that is never used\n", errout.str());
+
+        functionVariableUsage("void foo() {\n"
+                              "    std::string s = \"foo\";\n"
+                              "}\n");
+        ASSERT_EQUALS("[test.cpp:2]: (style) Variable 's' is assigned a value that is never used\n", errout.str());
+
+        functionVariableUsage("std::string foo() {\n"
+                              "    std::string s;\n"
+                              "    return s;\n"
+                              "}\n");
+        ASSERT_EQUALS("[test.cpp:2]: (style) Variable 's' is not assigned a value\n", errout.str());
+
+        functionVariableUsage("std::string foo() {\n"
+                              "    std::string s = \"foo\";\n"
+                              "    return s;\n"
+                              "}\n");
+        ASSERT_EQUALS("", errout.str());
+    }
 };
 
 REGISTER_TEST(TestUnusedVar)