diff --git a/lib/sw_apps/rsa_auth_app/data/rsa_auth_app.tcl b/lib/sw_apps/rsa_auth_app/data/rsa_auth_app.tcl
index 6198116a..8538b479 100755
--- a/lib/sw_apps/rsa_auth_app/data/rsa_auth_app.tcl
+++ b/lib/sw_apps/rsa_auth_app/data/rsa_auth_app.tcl
@@ -7,7 +7,7 @@ proc swapp_get_description {} {
 }
 
 proc get_stdout {} {
-    set os [get_os]
+    set os [hsi::get_os]
     if { $os == "" } {
         error "No Operating System specified in the Board Support Package.";
     }
@@ -16,9 +16,9 @@ proc get_stdout {} {
 }
 
 proc check_stdout_hw {} {
-	set slaves [get_property SLAVES [get_cells [get_sw_processor]]]
+	set slaves [get_property SLAVES [hsi::get_cells [hsi::get_sw_processor]]]
 	foreach slave $slaves {
-		set slave_type [get_property IP_NAME [get_cells $slave]];
+		set slave_type [get_property IP_NAME [hsi::get_cells $slave]];
 		# Check for MDM-Uart peripheral. The MDM would be listed as a peripheral
 		# only if it has a UART interface. So no further check is required
 		if { $slave_type == "ps7_uart" || $slave_type == "axi_uartlite" ||
@@ -41,10 +41,10 @@ proc check_stdout_sw {} {
 proc swapp_is_supported_hw {} {
 
     # check processor type
-    set proc_instance [get_sw_processor];
+    set proc_instance [hsi::get_sw_processor];
     set hw_processor [get_property HW_INSTANCE $proc_instance]
 
-    set proc_type [get_property IP_NAME [get_cells $hw_processor]];
+    set proc_type [get_property IP_NAME [hsi::get_cells $hw_processor]];
     
     if { $proc_type != "ps7_cortexa9" } {
                 error "This application is supported only for CortexA9 processors.";
@@ -61,7 +61,7 @@ proc swapp_is_supported_sw {} {
     check_stdout_sw;
 
 	# make sure xilrsa is available
-    set librarylist [get_libs -filter "NAME==xilrsa"];
+    set librarylist [hsi::get_libs -filter "NAME==xilrsa"];
 
 	if { [llength $librarylist] == 0 } {
         	error "This application requires xilrsa library in the Board Support Package.";