diff --git a/src/redis-benchmark.c b/src/redis-benchmark.c
index 7ab700d3f..69c740242 100644
--- a/src/redis-benchmark.c
+++ b/src/redis-benchmark.c
@@ -107,7 +107,7 @@ static long long mstime(void) {
     long long mst;
 
     gettimeofday(&tv, NULL);
-    mst = ((long)tv.tv_sec)*1000;
+    mst = ((long long)tv.tv_sec)*1000;
     mst += tv.tv_usec/1000;
     return mst;
 }
diff --git a/src/redis-cli.c b/src/redis-cli.c
index e8c6be5e0..3969fbab5 100644
--- a/src/redis-cli.c
+++ b/src/redis-cli.c
@@ -95,7 +95,7 @@ static long long mstime(void) {
     long long mst;
 
     gettimeofday(&tv, NULL);
-    mst = ((long)tv.tv_sec)*1000;
+    mst = ((long long)tv.tv_sec)*1000;
     mst += tv.tv_usec/1000;
     return mst;
 }