2 files changed, 2 insertions, 2 deletions
diff --git a/src/charConv.c b/src/charConv.c
index 354a8aba7..52c14987b 100644
--- a/src/charConv.c
+++ b/src/charConv.c
@@ -83,7 +83,7 @@ int setCharSetConversion(char * to, char * from) {
 	return -1;
 }
 
-char * convStrDup(char * string) {
+char * convStrDup(ICONV_CONST char * string) {
 	if(!char_conv_to) return NULL;
 
 	if(char_conv_same) return strdup(string);
diff --git a/src/charConv.h b/src/charConv.h
index 5687c1e7e..3093fcac2 100644
--- a/src/charConv.h
+++ b/src/charConv.h
@@ -23,7 +23,7 @@
 
 int setCharSetConversion(char * to, char * from);
 
-char * convStrDup(char * string);
+char * convStrDup(ICONV_CONST char * string);
 
 void closeCharSetConversion();