diff --git a/tmpl/parser.cc b/tmpl/parser.cc
index 5ac01aa..e55697a 100644
--- a/tmpl/parser.cc
+++ b/tmpl/parser.cc
@@ -66,7 +66,7 @@ bool I_CLASSNAME::parse(istream & i)
     /* compile all token regular expressions */
     for (int i = 0; i < sizeof(tokens)/sizeof(tokens[0]); i++)
     {
-        char * errptr;
+        const char * errptr;
         int erroffset;
         tokens[i].re = pcre_compile(tokens[i].definition, 0,
                 &errptr, &erroffset, NULL);
diff --git a/tmpl/parser.h b/tmpl/parser.h
index ff4ed1b..873ee72 100644
--- a/tmpl/parser.h
+++ b/tmpl/parser.h
@@ -13,10 +13,10 @@ class I_CLASSNAME
     public:
         I_CLASSNAME();
         bool parse(std::istream & in);
-        char * getError(); { return m_errstr; }
+        char * getError() { return m_errstr; }
 
     protected:
-        char * m_errstr;
+        const char * m_errstr;
 };
 
 #ifdef I_NAMESPACE