diff --git a/c_gui/CASAManager.sh b/c_gui/CASAManager.sh
index 1a17f674..336b2a48 100644
--- a/c_gui/CASAManager.sh
+++ b/c_gui/CASAManager.sh
@@ -1,3 +1,11 @@
 #!/bin/sh
-export MONO_PATH=/opt/novell/CASA/lib/
+HOST_ARCH=`uname -a | grep -c x86_64`
+if [ $HOST_ARCH -gt 0 ]
+then ARCH_LIB=64
+else
+ARCH_LIB=
+fi
+
+
+export MONO_PATH=/opt/novell/CASA/lib$ARCH_LIB/
 mono /opt/novell/CASA/bin/CASAManager.exe &
diff --git a/c_micasad/startup/micasad.sh b/c_micasad/startup/micasad.sh
index 12aa945e..e633af64 100644
--- a/c_micasad/startup/micasad.sh
+++ b/c_micasad/startup/micasad.sh
@@ -1,3 +1,11 @@
 #!/bin/sh
-export MONO_PATH=/opt/novell/CASA/lib
+HOST_ARCH=`uname -a | grep -c x86_64`
+if [ $HOST_ARCH -gt 0 ]
+then ARCH_LIB=64
+else
+ARCH_LIB=
+fi
+
+
+export MONO_PATH=/opt/novell/CASA/lib$ARCH_LIB/
 mono /opt/novell/CASA/bin/micasad.exe