1 files changed, 3 insertions, 1 deletions
diff --git a/demos/Win32-MinGW/chcore.c b/demos/Win32-MinGW/chcore.c
index 77195c44c..4f677b929 100644
--- a/demos/Win32-MinGW/chcore.c
+++ b/demos/Win32-MinGW/chcore.c
@@ -58,7 +58,7 @@ void InitCore(void) {
     printf("QueryPerformanceFrequency() error");
     exit(1);
   }
-  printf("Core Frequency   %d Hz\n", (int)slice.LowPart);
+  printf("Core Frequency   %u Hz\n", (int)slice.LowPart);
   slice.QuadPart /= CH_FREQUENCY;
   QueryPerformanceCounter(&nextcnt);
   nextcnt.QuadPart += slice.QuadPart;
@@ -92,6 +92,8 @@ static void ChkIntSources(void) {
 
 __attribute__((fastcall)) void chSysPause(void) {
 
+  chThdSetPriority(IDLEPRIO);
+
   while (TRUE) {
 
     ChkIntSources();