diff --git a/src/libxlibtrace-print-basic.h b/src/libxlibtrace-print-basic.h
index bd807f3..683f9c0 100644
--- a/src/libxlibtrace-print-basic.h
+++ b/src/libxlibtrace-print-basic.h
@@ -200,7 +200,7 @@ void print_type_char_(FILE *f, const char *funcname, const char *argname, const
 })
 
 #define __REALTYPE_char_p__ char *
-void print_type_char_p_(FILE *f, const char *funcname, const char *argname, const char *type, const char const * value) __LIBXLIBTRACE_PRINT_BASIC_BODY__({
+void print_type_char_p_(FILE *f, const char *funcname, const char *argname, const char *type, const char *value) __LIBXLIBTRACE_PRINT_BASIC_BODY__({
 	if (value) {
 		size_t len = strlen(value);
 		if (len > 30) {