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-rw-r--r--tmk_core/common/timer.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/tmk_core/common/timer.h b/tmk_core/common/timer.h
index 853cb98396..378cf7892c 100644
--- a/tmk_core/common/timer.h
+++ b/tmk_core/common/timer.h
@@ -45,9 +45,9 @@ uint16_t timer_elapsed(uint16_t last);
uint32_t timer_elapsed32(uint32_t last);
// Utility functions to check if a future time has expired & autmatically handle time wrapping if checked / reset frequently (half of max value)
-inline bool timer_expired(uint16_t current, uint16_t last) { return current - last < 0x8000; }
+inline bool timer_expired(uint16_t current, uint16_t future) { return (uint16_t)(current - future) < 0x8000; }
-inline bool timer_expired32(uint32_t current, uint32_t future) { return current - future < 0x80000000; }
+inline bool timer_expired32(uint32_t current, uint32_t future) { return (uint32_t)(current - future) < 0x80000000; }
#ifdef __cplusplus
}