diff --git a/gui/checkstatistics.cpp b/gui/checkstatistics.cpp
index dc92b4c7a..a8f75c9a8 100644
--- a/gui/checkstatistics.cpp
+++ b/gui/checkstatistics.cpp
@@ -41,22 +41,22 @@ void CheckStatistics::addItem(const QString &tool, ShowTypes::ShowType type)
     const QString lower = tool.toLower();
     switch (type) {
     case ShowTypes::ShowStyle:
-        ::addItem(mStyle, tool);
+        ::addItem(mStyle, lower);
         break;
     case ShowTypes::ShowWarnings:
-        ::addItem(mWarning, tool);
+        ::addItem(mWarning, lower);
         break;
     case ShowTypes::ShowPerformance:
-        ::addItem(mPerformance, tool);
+        ::addItem(mPerformance, lower);
         break;
     case ShowTypes::ShowPortability:
-        ::addItem(mPortability, tool);
+        ::addItem(mPortability, lower);
         break;
     case ShowTypes::ShowErrors:
-        ::addItem(mError, tool);
+        ::addItem(mError, lower);
         break;
     case ShowTypes::ShowInformation:
-        ::addItem(mInformation, tool);
+        ::addItem(mInformation, lower);
         break;
     case ShowTypes::ShowNone:
     default:
diff --git a/lib/checkunusedvar.cpp b/lib/checkunusedvar.cpp
index ebf57b053..ab41ef548 100644
--- a/lib/checkunusedvar.cpp
+++ b/lib/checkunusedvar.cpp
@@ -1361,7 +1361,7 @@ void CheckUnusedVar::checkFunctionVariableUsage()
             else if (!usage._var->isMaybeUnused() && !usage._modified && !usage._read && var) {
                 const Token* vnt = var->nameToken();
                 bool error = false;
-                if (vnt->next()->isSplittedVarDeclEq()) {
+                if (vnt->next()->isSplittedVarDeclEq() || (!var->isReference() && vnt->next()->str() == "=")) {
                     const Token* nextStmt = vnt->tokAt(2);
                     if (nextStmt->isExpandedMacro()) {
                         const Token* parent = nextStmt;
diff --git a/test/testunusedvar.cpp b/test/testunusedvar.cpp
index 839ea34e6..4a81d3f4b 100644
--- a/test/testunusedvar.cpp
+++ b/test/testunusedvar.cpp
@@ -5689,9 +5689,8 @@ private:
                               "{\n"
                               "    static int i = 0;\n"
                               "}");
-        TODO_ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'i' is assigned a value that is never used.\n",
-                           "",
-                           errout.str());
+        ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'i' is assigned a value that is never used.\n",
+                      errout.str());
 
         functionVariableUsage("void foo()\n"
                               "{\n"
@@ -6305,6 +6304,15 @@ private:
                               "    const ::std::lock_guard g(m);\n"
                               "}\n");
         ASSERT_EQUALS("", errout.str());
+
+        functionVariableUsage("void f(const std::string& str, int i) {\n" // #11879
+                              "    const std::string s = str;\n"
+                              "    switch (i) {\n"
+                              "    default:\n"
+                              "        break;\n"
+                              "    }\n"
+                              "}\n");
+        ASSERT_EQUALS("[test.cpp:2]: (style) Variable 's' is assigned a value that is never used.\n", errout.str());
     }
 
     void localVarClass() {