diff --git a/configure.py b/configure.py
index 6f764a60..f722aebb 100644
--- a/configure.py
+++ b/configure.py
@@ -849,7 +849,7 @@ config.libs = [
             Object(NonMatching, "MSL_C.PPCEABI.bare.H/s_ldexp.c"),
             Object(Matching, "MSL_C.PPCEABI.bare.H/s_modf.c"),
             Object(Matching, "MSL_C.PPCEABI.bare.H/s_sin.c"),
-            Object(NonMatching, "MSL_C.PPCEABI.bare.H/scanf.c"),
+            Object(Matching, "MSL_C.PPCEABI.bare.H/scanf.c"),
             Object(Matching, "MSL_C.PPCEABI.bare.H/string.c"),
             Object(Matching, "MSL_C.PPCEABI.bare.H/strtoul.c"),
             Object(Matching, "MSL_C.PPCEABI.bare.H/uart_console_io.c"),
diff --git a/src/static/MSL_C.PPCEABI.bare.H/scanf.c b/src/static/MSL_C.PPCEABI.bare.H/scanf.c
index cd512948..2c3534b7 100644
--- a/src/static/MSL_C.PPCEABI.bare.H/scanf.c
+++ b/src/static/MSL_C.PPCEABI.bare.H/scanf.c
@@ -1,7 +1,7 @@
 #include "MSL_C/scanf.h"
 
 int __StringRead(void* pPtr, int ch, int act) {
-    int ret;
+    char ret;
     __InStrCtrl* Iscp = (__InStrCtrl*)pPtr;
 
     switch (act) {
@@ -13,7 +13,7 @@ int __StringRead(void* pPtr, int ch, int act) {
                 return -1;
             } else {
                 Iscp->NextChar++;
-                return ret;
+                return (unsigned char)ret;
             }
 
         case __UngetAChar: