diff --git a/sources/fisher.c b/sources/fisher.c
index 795c30b..68e4c96 100644
--- a/sources/fisher.c
+++ b/sources/fisher.c
@@ -17,11 +17,11 @@
 
 #ifdef Plan9
 int usleep(long usec) {
-    int seconds = usec/1000000;
-    long nano = usec*1000 - seconds*1000000;
+    int second = usec/1000000;
+    long nano = usec*1000 - second*1000000;
     struct timespec sleepy = {0};
-    sleepy.ts_sec = second;
-    sleepy.ts_nsec = nano;
+    sleepy.tv_sec = second;
+    sleepy.tv_nsec = nano;
     nanosleep(&sleepy, (struct timespec *) NULL);
     return 0;
 }
diff --git a/sources/miketron.c b/sources/miketron.c
index fcd9146..099677b 100644
--- a/sources/miketron.c
+++ b/sources/miketron.c
@@ -29,11 +29,11 @@ compile with -lncurses
 #define len 10
 #define wid 40
 int usleep(long usec) {
-    int seconds = usec/1000000;
-    long nano = usec*1000 - seconds*1000000;
+    int second = usec/1000000;
+    long nano = usec*1000 - second*1000000;
     struct timespec sleepy = {0};
-    sleepy.ts_sec = second;
-    sleepy.ts_nsec = nano;
+    sleepy.tv_sec = second;
+    sleepy.tv_nsec = nano;
     nanosleep(&sleepy, (struct timespec *) NULL);
     return 0;
 }
diff --git a/sources/muncher.c b/sources/muncher.c
index 2c2a35f..1a347ab 100644
--- a/sources/muncher.c
+++ b/sources/muncher.c
@@ -27,11 +27,11 @@ compile with -lncurses
 #define len 10
 #define wid 40
 int usleep(long usec) {
-    int seconds = usec/1000000;
-    long nano = usec*1000 - seconds*1000000;
+    int second = usec/1000000;
+    long nano = usec*1000 - second*1000000;
     struct timespec sleepy = {0};
-    sleepy.ts_sec = second;
-    sleepy.ts_nsec = nano;
+    sleepy.tv_sec = second;
+    sleepy.tv_nsec = nano;
     nanosleep(&sleepy, (struct timespec *) NULL);
     return 0;
 }