diff --git a/miniaudio.h b/miniaudio.h
index 2c71d939..372d01be 100644
--- a/miniaudio.h
+++ b/miniaudio.h
@@ -20151,7 +20151,7 @@ Timing
             struct timespec newTime;
             clock_gettime(MA_CLOCK_ID, &newTime);
 
-            pTimer->counter = (newTime.tv_sec * 1000000000) + newTime.tv_nsec;
+            pTimer->counter = ((ma_int64)newTime.tv_sec * 1000000000) + newTime.tv_nsec;
         }
 
         MA_API double ma_timer_get_time_in_seconds(ma_timer* pTimer)
@@ -20162,7 +20162,7 @@ Timing
             struct timespec newTime;
             clock_gettime(MA_CLOCK_ID, &newTime);
 
-            newTimeCounter = (newTime.tv_sec * 1000000000) + newTime.tv_nsec;
+            newTimeCounter = ((ma_uint64)newTime.tv_sec * 1000000000) + newTime.tv_nsec;
             oldTimeCounter = pTimer->counter;
 
             return (newTimeCounter - oldTimeCounter) / 1000000000.0;
@@ -20173,7 +20173,7 @@ Timing
             struct timeval newTime;
             gettimeofday(&newTime, NULL);
 
-            pTimer->counter = (newTime.tv_sec * 1000000) + newTime.tv_usec;
+            pTimer->counter = ((ma_int64)newTime.tv_sec * 1000000) + newTime.tv_usec;
         }
 
         MA_API double ma_timer_get_time_in_seconds(ma_timer* pTimer)
@@ -20184,7 +20184,7 @@ Timing
             struct timeval newTime;
             gettimeofday(&newTime, NULL);
 
-            newTimeCounter = (newTime.tv_sec * 1000000) + newTime.tv_usec;
+            newTimeCounter = ((ma_uint64)newTime.tv_sec * 1000000) + newTime.tv_usec;
             oldTimeCounter = pTimer->counter;
 
             return (newTimeCounter - oldTimeCounter) / 1000000.0;