diff --git a/cangen.c b/cangen.c
index 7d0e82c..0dfcb6e 100644
--- a/cangen.c
+++ b/cangen.c
@@ -297,7 +297,7 @@ int main(int argc, char **argv)
 	}
 
 	ts.tv_sec = gap / 1000;
-	ts.tv_nsec = (long)(((long long)(gap * 1000000)) % 1000000000ll);
+	ts.tv_nsec = (long)(((long long)(gap * 1000000)) % 1000000000LL);
 
 	/* recognize obviously missing commandline option */
 	if (id_mode == MODE_FIX && frame.can_id > 0x7FF && !extended) {