diff --git a/lib/symboldatabase.cpp b/lib/symboldatabase.cpp
index 9cf9c2562..9e08eea77 100644
--- a/lib/symboldatabase.cpp
+++ b/lib/symboldatabase.cpp
@@ -1427,14 +1427,14 @@ bool SymbolDatabase::isFunction(const Token *tok, const Scope* outerScope, const
 
 void SymbolDatabase::validate() const
 {
-    const std::size_t functions = functionScopes.size();
-    for (std::size_t i = 0; i < functions; ++i) {
-        const Scope* scope = functionScopes[i];
-        const Function* function = scope->function;
-        if (scope->isExecutable() && !function) {
-            if (_settings->debugwarnings) {
+    if (_settings->debugwarnings) {
+        const std::size_t functions = functionScopes.size();
+        for (std::size_t i = 0; i < functions; ++i) {
+            const Scope* scope = functionScopes[i];
+            const Function* function = scope->function;
+            if (scope->isExecutable() && !function) {
                 const std::list<const Token*> callstack(1, scope->classDef);
-                const std::string msg = std::string("executable scope '") + scope->classDef->str() + "' with unknown function";
+                const std::string msg = std::string("Executable scope '") + scope->classDef->str() + "' with unknown function.";
                 const ErrorLogger::ErrorMessage errmsg(callstack, &_tokenizer->list, Severity::debug,
                                                        "symbolDatabaseWarning",
                                                        msg,
diff --git a/test/testsymboldatabase.cpp b/test/testsymboldatabase.cpp
index db4a2c1e0..5304143f1 100644
--- a/test/testsymboldatabase.cpp
+++ b/test/testsymboldatabase.cpp
@@ -1598,7 +1598,7 @@ private:
         check("testing::testing()\n"
               "{\n"
               "}");
-        ASSERT_EQUALS("[test.cpp:1]: (debug) executable scope 'testing' with unknown function\n", errout.str());
+        ASSERT_EQUALS("[test.cpp:1]: (debug) Executable scope 'testing' with unknown function.\n", errout.str());
     }
 
     void symboldatabase5() {