diff --git a/src/ParseSection.cpp b/src/ParseSection.cpp
index 2258da1dbd..3fe6efbc3f 100644
--- a/src/ParseSection.cpp
+++ b/src/ParseSection.cpp
@@ -69,7 +69,7 @@ void PrintSection(section secInput)
     std::cerr << "PrintSection<" << std::endl;
 }
 
-section::mapped_type* sectionEntries(section& secSource, std::string strSection)
+section::mapped_type* sectionEntries(section& secSource, const std::string strSection)
 {
 	section::iterator		it;
 	section::mapped_type*	smtResult;
@@ -96,7 +96,7 @@ int sectionCount(section& secSource, std::string strSection)
 	return pmtEntries ? -1 : pmtEntries->size();
 }
 
-bool sectionSingleB(section& secSource, std::string strSection, std::string& strValue)
+bool sectionSingleB(section& secSource, const std::string strSection, std::string& strValue)
 {
 	section::mapped_type*	pmtEntries	= sectionEntries(secSource, strSection);
 	bool					bSingle		= pmtEntries && 1 == pmtEntries->size();
diff --git a/src/ParseSection.h b/src/ParseSection.h
index 1f7a4aa7c9..027f29f261 100644
--- a/src/ParseSection.h
+++ b/src/ParseSection.h
@@ -9,8 +9,8 @@ typedef std::map<const std::string, std::vector<std::string> > section;
 
 section ParseSection(const std::string strInput, const bool bTrim);
 void PrintSection(section secInput);
-bool sectionSingleB(section& secSource, std::string strSection, std::string& strValue);
+bool sectionSingleB(section& secSource, const std::string strSection, std::string& strValue);
 int sectionCount(section& secSource, std::string strSection);
-section::mapped_type* sectionEntries(section& secSource, std::string strSection);
+section::mapped_type* sectionEntries(section& secSource, const std::string strSection);
 
 #endif