diff --git a/configure.py b/configure.py
index 5f46e7cb..b31a75eb 100644
--- a/configure.py
+++ b/configure.py
@@ -835,7 +835,7 @@ config.libs = [
             Object(Matching, "MSL_C.PPCEABI.bare.H/k_cos.c"),
             Object(Matching, "MSL_C.PPCEABI.bare.H/k_rem_pio2.c"),
             Object(Matching, "MSL_C.PPCEABI.bare.H/k_sin.c"),
-            Object(NonMatching, "MSL_C.PPCEABI.bare.H/mbstring.c"),
+            Object(Matching, "MSL_C.PPCEABI.bare.H/mbstring.c"),
             Object(Matching, "MSL_C.PPCEABI.bare.H/mem.c"),
             Object(Matching, "MSL_C.PPCEABI.bare.H/mem_funcs.c"),
             Object(Matching, "MSL_C.PPCEABI.bare.H/misc_io.c"),
diff --git a/src/static/MSL_C.PPCEABI.bare.H/mbstring.c b/src/static/MSL_C.PPCEABI.bare.H/mbstring.c
index 11c308fd..88c466ec 100644
--- a/src/static/MSL_C.PPCEABI.bare.H/mbstring.c
+++ b/src/static/MSL_C.PPCEABI.bare.H/mbstring.c
@@ -32,6 +32,10 @@ size_t unicode_to_UTF8(char* r3, wchar_t r4) {
 }
 #pragma dont_inline off
 
+size_t wctomb(char* s, wchar_t wchar) {
+    return unicode_to_UTF8(s, wchar);
+}
+
 size_t wcstombs(char* s, const wchar_t* pwcs, size_t n) {
     char decoded[4];
     wchar_t w;
@@ -51,7 +55,7 @@ size_t wcstombs(char* s, const wchar_t* pwcs, size_t n) {
             break;
         }
         ++p;
-        num = unicode_to_UTF8(decoded, w);
+        num = wctomb(decoded, w);
 
         if (i + num > n)
             break;