diff --git a/lib/cppcheck.cpp b/lib/cppcheck.cpp
index 293409795..a0a1b3fff 100644
--- a/lib/cppcheck.cpp
+++ b/lib/cppcheck.cpp
@@ -703,7 +703,7 @@ unsigned int CppCheck::check()
                     _errorLogger.reportOut(std::string("Checking ") + fname + ": " + cfg + std::string("..."));
 
                 std::string appendCode = _settings.append();
-                if( !appendCode.empty() )
+                if ( !appendCode.empty() )
                     Preprocessor::preprocessWhitespaces(appendCode);
 
                 checkFile(codeWithoutCfg + appendCode, _filenames[c].c_str());
diff --git a/lib/mathlib.cpp b/lib/mathlib.cpp
index fe1c16b00..ad00d7140 100644
--- a/lib/mathlib.cpp
+++ b/lib/mathlib.cpp
@@ -194,7 +194,7 @@ bool MathLib::isInt(const std::string & s)
         // unsigned or long
         while (std::tolower(s[n]) == 'u' || std::tolower(s[n]) == 'l') ++n;
 
-        if(bStartsWithDigit==false)
+        if (bStartsWithDigit==false)
             return false;
     }
     // eat up whitespace
diff --git a/test/testthreadexecutor.cpp b/test/testthreadexecutor.cpp
index 753379203..da435d3e0 100644
--- a/test/testthreadexecutor.cpp
+++ b/test/testthreadexecutor.cpp
@@ -56,7 +56,7 @@ private:
         }
 
         std::vector<std::string> filenames;
-        for( int i = 1; i <= files; ++i )
+        for ( int i = 1; i <= files; ++i )
         {
             std::ostringstream oss;
             oss << "file_" << i << ".cpp";
@@ -66,7 +66,7 @@ private:
         Settings settings;
         settings._jobs = jobs;
         ThreadExecutor executor(filenames, settings, *this);
-        for(unsigned int i = 0; i < filenames.size(); ++i)
+        for (unsigned int i = 0; i < filenames.size(); ++i)
             executor.addFileContent(filenames[i], data );
 
         ASSERT_EQUALS(result, executor.check());
@@ -87,7 +87,7 @@ private:
         std::ostringstream oss;
         oss << "int main()\n"
             << "{\n";
-        for( int i = 0; i < 500; i++ )
+        for ( int i = 0; i < 500; i++ )
             oss << "  {char *a = malloc(10);}\n";
 
         oss << "}\n";