diff --git a/sapi/fpm/fpm/fpm_children.c b/sapi/fpm/fpm/fpm_children.c
index 625ee2f43e6..c701cb63bba 100644
--- a/sapi/fpm/fpm/fpm_children.c
+++ b/sapi/fpm/fpm/fpm_children.c
@@ -256,9 +256,9 @@ void fpm_children_bury() /* {{{ */
 				if (!fpm_pctl_can_spawn_children()) {
 					severity = ZLOG_DEBUG;
 				}
-				zlog(severity, "[pool %s] child %d exited %s after %ld.%06d seconds from start", child->wp->config->name, (int) pid, buf, tv2.tv_sec, (int) tv2.tv_usec);
+				zlog(severity, "[pool %s] child %d exited %s after %ld.%06d seconds from start", child->wp->config->name, (int) pid, buf, (long) tv2.tv_sec, (int) tv2.tv_usec);
 			} else {
-				zlog(ZLOG_DEBUG, "[pool %s] child %d has been killed by the process management after %ld.%06d seconds from start", child->wp->config->name, (int) pid, tv2.tv_sec, (int) tv2.tv_usec);
+				zlog(ZLOG_DEBUG, "[pool %s] child %d has been killed by the process management after %ld.%06d seconds from start", child->wp->config->name, (int) pid, (long) tv2.tv_sec, (int) tv2.tv_usec);
 			}
 
 			fpm_child_close(child, 1 /* in event_loop */);
diff --git a/sapi/fpm/fpm/fpm_log.c b/sapi/fpm/fpm/fpm_log.c
index 7d0850df5f8..d90d98b5456 100644
--- a/sapi/fpm/fpm/fpm_log.c
+++ b/sapi/fpm/fpm/fpm_log.c
@@ -217,7 +217,7 @@ int fpm_log_write(char *log_format) /* {{{ */
 					/* microseconds */
 					} else if (!strcasecmp(format, "microseconds") || !strcasecmp(format, "micro")) {
 						if (!test) {
-							len2 = snprintf(b, FPM_LOG_BUFFER - len, "%lu", proc.duration.tv_sec * 1000000UL + proc.duration.tv_usec);
+							len2 = snprintf(b, FPM_LOG_BUFFER - len, "%lu", (unsigned long)(proc.duration.tv_sec * 1000000UL + proc.duration.tv_usec));
 						}
 
 					} else {