diff --git a/apps/plugins/view_text.c b/apps/plugins/view_text.c
index a6ee5f4d0f..0e3c99f79d 100644
--- a/apps/plugins/view_text.c
+++ b/apps/plugins/view_text.c
@@ -28,6 +28,8 @@
 /* this is the plugin entry point */
 enum plugin_status plugin_start(const void* parameter)
 {
+    if (!parameter)
+        return PLUGIN_ERROR;
 
     char** title_and_text = (char**)parameter;
     view_text(title_and_text[0], title_and_text[1]);
diff --git a/apps/plugins/zxbox/zxbox.c b/apps/plugins/zxbox/zxbox.c
index 4ebc0e0a9e..c0a939e703 100644
--- a/apps/plugins/zxbox/zxbox.c
+++ b/apps/plugins/zxbox/zxbox.c
@@ -57,6 +57,9 @@ long start_time IBSS_ATTR = 0;
 
 enum plugin_status plugin_start(const void* parameter)
 {
+    if (!parameter)
+        return PLUGIN_ERROR;
+
 #if LCD_DEPTH > 1
     rb->lcd_set_backdrop(NULL);
 #endif
@@ -211,7 +214,7 @@ void spkb_process_events( int evenframe )
                 ki = KS_TO_KEY(intkeys[3]);
                 spkb_kbstate[ki].state = 0;
             }
-    
+
             if ( buttons & ZX_LEFT ){
                 ki = KS_TO_KEY(intkeys[2]);
                 spkb_kbstate[ki].state = 1;
@@ -220,7 +223,7 @@ void spkb_process_events( int evenframe )
                 ki = KS_TO_KEY(intkeys[2]);
                 spkb_kbstate[ki].state = 0;
             }
-    
+
             if ( buttons & ZX_UP ){
                 ki = KS_TO_KEY(intkeys[0]);
                 spkb_kbstate[ki].state = 1;
@@ -229,7 +232,7 @@ void spkb_process_events( int evenframe )
                 ki = KS_TO_KEY(intkeys[0]);
                 spkb_kbstate[ki].state = 0;
             }
-            
+
             if ( buttons & ZX_DOWN ){
                 ki = KS_TO_KEY(intkeys[1]);
                 spkb_kbstate[ki].state = 1;
@@ -238,7 +241,7 @@ void spkb_process_events( int evenframe )
                 ki = KS_TO_KEY(intkeys[1]);
                 spkb_kbstate[ki].state = 0;
             }
-            
+
             if ( buttons & ZX_SELECT ){
                 ki = KS_TO_KEY(intkeys[4]);
                 spkb_kbstate[ki].state = 1;