diff --git a/general.h b/general.h
index d2da7673fb..49cdf4064d 100644
--- a/general.h
+++ b/general.h
@@ -385,14 +385,14 @@ static inline uint8_t is_little_endian(void)
    return u.y[0];
 }
 
-static inline void ssnes_sleep(unsigned usec)
+static inline void ssnes_sleep(unsigned msec)
 {
 #ifdef _WIN32
-   Sleep(10);
+   Sleep(msec);
 #else
    struct timespec tv = {
-      .tv_sec = 0,
-      .tv_nsec = 10000000
+      .tv_sec = msec / 1000,
+      .tv_nsec = (msec % 1000) * 1000000,
    };
    nanosleep(&tv, NULL);
 #endif