diff --git a/tests/data/test1117 b/tests/data/test1117
index 50466aa322..405aa861e3 100644
--- a/tests/data/test1117
+++ b/tests/data/test1117
@@ -31,7 +31,7 @@ partial body
 </data1>
 
 <servercmd>
-writedelay: 1
+writedelay: 1000
 </servercmd>
 </reply>
 
diff --git a/tests/data/test1238 b/tests/data/test1238
index cfb541c9c3..5fbf640e86 100644
--- a/tests/data/test1238
+++ b/tests/data/test1238
@@ -10,7 +10,7 @@ TFTP RRQ
 # Server-side
 <reply>
 <servercmd>
-writedelay: 2
+writedelay: 2000
 </servercmd>
 # ~1200 bytes (so that they don't fit in two 512 byte chunks)
 <data nocheck="yes">
diff --git a/tests/data/test1523 b/tests/data/test1523
index de31a43c90..a22b0765e5 100644
--- a/tests/data/test1523
+++ b/tests/data/test1523
@@ -17,7 +17,7 @@ Funny-head: yesyes
 AA
 </data>
 <servercmd>
-writedelay: 1
+writedelay: 1000
 </servercmd>
 </reply>
 #