diff --git a/tests/compat.sh b/tests/compat.sh
index ddb2cf9..a001ddb 100755
--- a/tests/compat.sh
+++ b/tests/compat.sh
@@ -89,15 +89,15 @@
 
 if [ "X$VERIFY" = "XYES" ];
 then
-    P_SERVER_ARGS="ca_file=data_files/test-ca_cat12.crt auth_mode=required"
-    P_CLIENT_ARGS="ca_file=data_files/test-ca_cat12.crt"
-    O_SERVER_ARGS="-CAfile data_files/test-ca_cat12.crt -Verify 10"
-    O_CLIENT_ARGS="-CAfile data_files/test-ca_cat12.crt"
+    P_SERVER_BASE="ca_file=data_files/test-ca_cat12.crt auth_mode=required"
+    P_CLIENT_BASE="ca_file=data_files/test-ca_cat12.crt"
+    O_SERVER_BASE="-CAfile data_files/test-ca_cat12.crt -Verify 10"
+    O_CLIENT_BASE="-CAfile data_files/test-ca_cat12.crt"
 else
-    P_SERVER_ARGS=""
-    P_CLIENT_ARGS=""
-    O_SERVER_ARGS=""
-    O_CLIENT_ARGS=""
+    P_SERVER_BASE=""
+    P_CLIENT_BASE=""
+    O_SERVER_BASE=""
+    O_CLIENT_BASE=""
 fi
 
 
@@ -124,10 +124,10 @@
 
     "ECDSA")
 
-        P_SERVER_ARGS="$P_SERVER_ARGS crt_file=data_files/server5.crt key_file=data_files/server5.key"
-        P_CLIENT_ARGS="$P_CLIENT_ARGS crt_file=data_files/server6.crt key_file=data_files/server6.key"
-        O_SERVER_ARGS="$O_SERVER_ARGS -cert data_files/server5.crt -key data_files/server5.key"
-        O_CLIENT_ARGS="$O_CLIENT_ARGS -cert data_files/server6.crt -key data_files/server6.key"
+        P_SERVER_ARGS="$P_SERVER_BASE crt_file=data_files/server5.crt key_file=data_files/server5.key"
+        P_CLIENT_ARGS="$P_CLIENT_BASE crt_file=data_files/server6.crt key_file=data_files/server6.key"
+        O_SERVER_ARGS="$O_SERVER_BASE -cert data_files/server5.crt -key data_files/server5.key"
+        O_CLIENT_ARGS="$O_CLIENT_BASE -cert data_files/server6.crt -key data_files/server6.key"
 
         P_CIPHERS="                                 \
             TLS-ECDHE-ECDSA-WITH-NULL-SHA           \
@@ -166,10 +166,10 @@
 
     "RSA")
 
-        P_SERVER_ARGS="$P_SERVER_ARGS crt_file=data_files/server1.crt key_file=data_files/server1.key"
-        P_CLIENT_ARGS="$P_CLIENT_ARGS crt_file=data_files/server2.crt key_file=data_files/server2.key"
-        O_SERVER_ARGS="$O_SERVER_ARGS -cert data_files/server1.crt -key data_files/server1.key"
-        O_CLIENT_ARGS="$O_CLIENT_ARGS -cert data_files/server2.crt -key data_files/server2.key"
+        P_SERVER_ARGS="$P_SERVER_BASE crt_file=data_files/server1.crt key_file=data_files/server1.key"
+        P_CLIENT_ARGS="$P_CLIENT_BASE crt_file=data_files/server2.crt key_file=data_files/server2.key"
+        O_SERVER_ARGS="$O_SERVER_BASE -cert data_files/server1.crt -key data_files/server1.key"
+        O_CLIENT_ARGS="$O_CLIENT_BASE -cert data_files/server2.crt -key data_files/server2.key"
 
         P_CIPHERS="                                 \
             TLS-DHE-RSA-WITH-AES-128-CBC-SHA        \
@@ -260,10 +260,10 @@
 
     "PSK")
 
-        P_SERVER_ARGS="$P_SERVER_ARGS psk=6162636465666768696a6b6c6d6e6f70"
-        P_CLIENT_ARGS="$P_CLIENT_ARGS psk=6162636465666768696a6b6c6d6e6f70"
-        O_SERVER_ARGS="$O_SERVER_ARGS -psk 6162636465666768696a6b6c6d6e6f70"
-        O_CLIENT_ARGS="$O_CLIENT_ARGS -psk 6162636465666768696a6b6c6d6e6f70"
+        P_SERVER_ARGS="$P_SERVER_BASE psk=6162636465666768696a6b6c6d6e6f70"
+        P_CLIENT_ARGS="$P_CLIENT_BASE psk=6162636465666768696a6b6c6d6e6f70"
+        O_SERVER_ARGS="$O_SERVER_BASE -psk 6162636465666768696a6b6c6d6e6f70"
+        O_CLIENT_ARGS="$O_CLIENT_BASE -psk 6162636465666768696a6b6c6d6e6f70"
 
         P_CIPHERS="                                 \
             TLS-PSK-WITH-RC4-128-SHA                \