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-rw-r--r--engines/sci/gfx/operations.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/engines/sci/gfx/operations.cpp b/engines/sci/gfx/operations.cpp
index d7fedf1d05..70734cc3d5 100644
--- a/engines/sci/gfx/operations.cpp
+++ b/engines/sci/gfx/operations.cpp
@@ -1377,7 +1377,7 @@ int gfxop_usleep(gfx_state_t *state, long usecs) {
do {
GFXOP_FULL_POINTER_REFRESH;
time = g_system->getMillis();
- usecs = 1000l * (wakeup_time - time);
+ usecs = 1000 * ((long)wakeup_time - (long)time);
} while ((usecs > 0) && !(retval = state->driver->usec_sleep(state->driver, usecs)));
if (retval) {