diff --git a/YespowerARM.c b/YespowerARM.c
index e410d8e..da7f28d 100644
--- a/YespowerARM.c
+++ b/YespowerARM.c
@@ -8,6 +8,7 @@
 #include <string.h>
 #include <inttypes.h>
 
+int get_dynamic_block_version() {
 #ifdef TARGET_RASPBERRY
     #define BLOCK_VERSION BLOCK_VERSION_RASPBERRY
 #elif defined(TARGET_NOARM)
@@ -15,9 +16,12 @@
 #else
     #define BLOCK_VERSION BLOCK_VERSION_DEFAULT 
 #endif
+}
 
 /* Auswahl der Yespower-Parameter basierend auf nVersion */
-const yespower_params_t *select_yespower_params_by_version(int32_t nVersion) {
+const yespower_params_t *select_yespower_params(void) {
+    int block_version = get_dynamic_block_version();
+    
     if ((nVersion & BLOCK_VERSION_RASPBERRY) == BLOCK_VERSION_RASPBERRY) {
         static const yespower_params_t params_raspberry = {
             .version = YESPOWER_1_0,
@@ -41,8 +45,8 @@ const yespower_params_t *select_yespower_params_by_version(int32_t nVersion) {
             .version = YESPOWER_1_0,
             .N = 4096,
             .r = 16,
-            .pers = (const uint8_t *)"Default",
-            .perslen = 7
+            .pers = (const uint8_t *)"Fallback",
+            .perslen = 8
         };
         return &params_default;
     }
@@ -114,4 +118,4 @@ int scanhash_arm_yespower(int thr_id, uint32_t *pdata, const uint32_t *ptarget,
     *hashes_done = n - pdata[19] + 1;
     pdata[19] = n;
     return 0; // Kein gültiger Block gefunden
-}
+}
\ No newline at end of file
diff --git a/version.h b/version.h
index 6c5cdb0..bf0301c 100644
--- a/version.h
+++ b/version.h
@@ -8,6 +8,15 @@
 #define BLOCK_VERSION_NOARM       0x20000000
 #define BLOCK_VERSION_DEFAULT     0x00000000
 
+// Dynamische Bestimmung der Blockversion
+#ifdef TARGET_RASPBERRY
+    #define BLOCK_VERSION BLOCK_VERSION_RASPBERRY
+#elif defined(TARGET_NOARM)
+    #define BLOCK_VERSION BLOCK_VERSION_NOARM
+#else
+    #define BLOCK_VERSION BLOCK_VERSION_DEFAULT
+#endif
+
 int get_dynamic_block_version();
 
 #endif // VERSION_H