diff --git a/include/pm3_cmd.h b/include/pm3_cmd.h
index d0797c18c..e2d9a9974 100644
--- a/include/pm3_cmd.h
+++ b/include/pm3_cmd.h
@@ -139,30 +139,30 @@ typedef struct {
 
 typedef struct {
     uint32_t baudrate;
-    bool via_fpc;
+    bool via_fpc                       :1;
     // rdv4
-    bool compiled_with_flash;
-    bool compiled_with_smartcard;
-    bool compiled_with_fpc_usart;
-    bool compiled_with_fpc_usart_dev;
-    bool compiled_with_fpc_usart_host;
+    bool compiled_with_flash           :1;
+    bool compiled_with_smartcard       :1;
+    bool compiled_with_fpc_usart       :1;
+    bool compiled_with_fpc_usart_dev   :1;
+    bool compiled_with_fpc_usart_host  :1;
     // lf
-    bool compiled_with_lf;
-    bool compiled_with_hitag;
+    bool compiled_with_lf              :1;
+    bool compiled_with_hitag           :1;
     // hf
-    bool compiled_with_hfsniff;
-    bool compiled_with_iso14443a;
-    bool compiled_with_iso14443b;
-    bool compiled_with_iso15693;
-    bool compiled_with_felica;
-    bool compiled_with_legicrf;
-    bool compiled_with_iclass;
+    bool compiled_with_hfsniff         :1;
+    bool compiled_with_iso14443a       :1;
+    bool compiled_with_iso14443b       :1;
+    bool compiled_with_iso15693        :1;
+    bool compiled_with_felica          :1;
+    bool compiled_with_legicrf         :1;
+    bool compiled_with_iclass          :1;
     // misc
-    bool compiled_with_lcd;
+    bool compiled_with_lcd             :1;
 
     // rdv4
-    bool hw_available_flash;
-    bool hw_available_smartcard;
+    bool hw_available_flash            :1;
+    bool hw_available_smartcard        :1;
 } PACKED capabilities_t;
 
 extern capabilities_t pm3_capabilities;