diff --git a/src/slurmd/slurmstepd/io.c b/src/slurmd/slurmstepd/io.c
index 9ee7907a735a1e95266f804ff89db2a5b097c0ed..5f73eec4b186f253a9574d3b05b6dc999bee9328 100644
--- a/src/slurmd/slurmstepd/io.c
+++ b/src/slurmd/slurmstepd/io.c
@@ -846,9 +846,11 @@ static void *_window_manager(void *arg)
 		if ((len == -1) && ((errno == EINTR) || (errno == EAGAIN)))
 			continue;
 		if (len < 4) {
-		    if (errno != SLURM_PROTOCOL_SOCKET_ZERO_BYTES_SENT)
-			error("%s: read window size error: %m", __func__);
-		    return NULL;
+			if (errno != SLURM_PROTOCOL_SOCKET_ZERO_BYTES_SENT) {
+				error("%s: read window size error: %m",
+				      __func__);
+			}
+			return NULL;
 		}
 		memcpy(&winsz.cols, buf, 2);
 		memcpy(&winsz.rows, buf+2, 2);