diff --git a/packages/network/openssh/init.d/51_sshd b/packages/network/openssh/init.d/51_sshd
index abff4202df..16e255775c 100644
--- a/packages/network/openssh/init.d/51_sshd
+++ b/packages/network/openssh/init.d/51_sshd
@@ -31,7 +31,7 @@
   SSHD="/usr/sbin/sshd"
 
   # Check for the SSH1 RSA key
-    if [ ! -f $RSA1_KEY ] ; then
+    if [ ! -s $RSA1_KEY ] ; then
       progress "SSH: generating SSH1 RSA key"
 
       mkdir -p /storage/.cache/ssh
@@ -40,7 +40,7 @@
     fi
 
   # Check for the SSH2 RSA key
-    if [ ! -f $RSA2_KEY ] ; then
+    if [ ! -s $RSA2_KEY ] ; then
       progress "SSH: generating SSH2 RSA key"
 
       mkdir -p /storage/.cache/ssh
@@ -49,7 +49,7 @@
     fi
 
   # Check for the SSH2 DSA key
-    if [ ! -f $DSA2_KEY ] ; then
+    if [ ! -s $DSA2_KEY ] ; then
       progress "SSH: generating SSH2 DSA key"
 
       mkdir -p /storage/.cache/ssh