diff --git a/.gitignore b/.gitignore
index 91b1cde..e118e77 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 conf/config.py
 *.log
 LOG
+*.bak
diff --git a/lib/block_template.py b/lib/block_template.py
index 3b8bb06..686baf0 100644
--- a/lib/block_template.py
+++ b/lib/block_template.py
@@ -68,7 +68,7 @@ class BlockTemplate(halfnode.CBlock):
         self.height = data['height']
         self.nVersion = data['version']
         self.hashPrevBlock = int(data['previousblockhash'], 16)
-        self.nBits = int(data['bits'], 16)
+        self.nBits = int(data['bits'], 8)
         self.hashMerkleRoot = 0
         self.nTime = 0
         self.nNonce = 0
diff --git a/lib/halfnode.py b/lib/halfnode.py
index a3cfa13..51b1420 100644
--- a/lib/halfnode.py
+++ b/lib/halfnode.py
@@ -341,7 +341,7 @@ class CBlock(object):
 
         if settings.COINDAEMON_ALGO == 'riecoin':
             target = settings.POOL_TARGET
-        else
+        else:
             target = uint256_from_compact(self.nBits)
 
         if settings.COINDAEMON_ALGO == 'riecoin':
diff --git a/lib/template_registry.py b/lib/template_registry.py
index de3693c..5accf00 100644
--- a/lib/template_registry.py
+++ b/lib/template_registry.py
@@ -248,7 +248,7 @@ class TemplateRegistry(object):
         header_bin = job.serialize_header(merkle_root_int, ntime_bin, nonce_bin)
     
         # 4. Reverse header and compare it with target of the user
-        elif settings.COINDAEMON_ALGO == 'scrypt':
+        if settings.COINDAEMON_ALGO == 'scrypt':
             hash_bin = ltc_scrypt.getPoWHash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
         elif settings.COINDAEMON_ALGO  == 'scrypt-jane':
             hash_bin = yac_scrypt.getPoWHash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]), int(ntime, 16))
@@ -295,7 +295,7 @@ class TemplateRegistry(object):
         # 5. Compare hash with target of the network
         isBlockCandidate = False
         if settings.COINDAEMON_ALGO == 'riecoin':
-            if hash_int == 6
+            if hash_int == 6:
                 isBlockCandidate = True
         else:
             if hash_int <= job.target:
diff --git a/lib/util.py b/lib/util.py
index 0035d85..d1dc4c7 100644
--- a/lib/util.py
+++ b/lib/util.py
@@ -212,19 +212,19 @@ def ser_number(n):
     return bytes(s)
 
 
-def isPrime( n )
+def isPrime( n ):
     if pow( 2, n-1, n ) == 1:
         return True
     return False
 
-def riecoinPoW( hash_bin, diff, nNonce )
+def riecoinPoW( hash_bin, diff, nNonce ):
     base = 1 << 8
-    for i in range(256)
+    for i in range(256):
         base = base << 1
         base = base | (hash_bin & 1)
         hash_bin = hash_bin >> 1
     trailingZeros = diff - 1 - 8 - 256
-    if trailingZeros < 16 or trailingZeros > 20000
+    if trailingZeros < 16 or trailingZeros > 20000:
         return 0
     base = base << trailingZeros
     
@@ -234,30 +234,29 @@ def riecoinPoW( hash_bin, diff, nNonce )
     if (base % 210) != 97:
         return 0
     
-    if !isPrime( base ):
+    if not isPrime( base ):
         return primes
     primes++
     
     base += 4
-    if !isPrime( base ):
-        return primes
-    primes++
+    if isPrime( base ):
+        primes+=1
     
     base += 2
     if isPrime( base ):
-        primes++
+        primes+=1
     
     base += 4
-    if !isPrime( base ):
-        primes++
+    if isPrime( base ):
+        primes+=1
     
     base += 2
-    if !isPrime( base ):
-        primes++
+    if isPrime( base ):
+        primes+=1
     
     base += 4
-    if !isPrime( base ):
-        primes++
+    if isPrime( base ):
+        primes+=1
       
     return primes