diff --git a/src/util/u_printf.c b/src/util/u_printf.c
index 207757d1bd2..ef4837b9ff4 100644
--- a/src/util/u_printf.c
+++ b/src/util/u_printf.c
@@ -38,7 +38,7 @@
 _CRTIMP int _vscprintf(const char *format, va_list argptr);
 #endif
 
-static const char*
+const char*
 util_printf_prev_tok(const char *str)
 {
    while (*str != '%')
diff --git a/src/util/u_printf.h b/src/util/u_printf.h
index d2b106bca4b..8e00067f20b 100644
--- a/src/util/u_printf.h
+++ b/src/util/u_printf.h
@@ -37,6 +37,8 @@ typedef struct u_printf_info {
    char *strings;
 } u_printf_info;
 
+const char *util_printf_prev_tok(const char *str);
+
 /* find next valid printf specifier in a C string wrapper */
 size_t util_printf_next_spec_pos(const char *str, size_t pos);