diff --git a/src/net.cpp b/src/net.cpp
index 18bafd02e70..d99c73f9590 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -1158,11 +1158,11 @@ void ThreadMapPort2(void* parg)
 #ifndef UPNPDISCOVER_SUCCESS
     /* miniupnpc 1.5 */
         r = UPNP_AddPortMapping(urls.controlURL, data.first.servicetype,
-	                        port, port, lanaddr, strDesc.c_str(), "TCP", 0);
+                            port, port, lanaddr, strDesc.c_str(), "TCP", 0);
 #else
     /* miniupnpc 1.6 */
         r = UPNP_AddPortMapping(urls.controlURL, data.first.servicetype,
-	                        port, port, lanaddr, strDesc.c_str(), "TCP", 0, "0");
+                            port, port, lanaddr, strDesc.c_str(), "TCP", 0, "0");
 #endif
 
         if(r!=UPNPCOMMAND_SUCCESS)
diff --git a/src/qt/transactionfilterproxy.h b/src/qt/transactionfilterproxy.h
index 4dd2a8e5c66..17c1b482e00 100644
--- a/src/qt/transactionfilterproxy.h
+++ b/src/qt/transactionfilterproxy.h
@@ -29,7 +29,7 @@ public:
     // Set maximum number of rows returned, -1 if unlimited
     void setLimit(int limit);
 
-    int	rowCount(const QModelIndex &parent = QModelIndex()) const;
+    int rowCount(const QModelIndex &parent = QModelIndex()) const;
 protected:
     bool filterAcceptsRow(int source_row, const QModelIndex & source_parent) const;
 
diff --git a/src/util.h b/src/util.h
index 78caff683de..c57e82bab03 100644
--- a/src/util.h
+++ b/src/util.h
@@ -749,8 +749,8 @@ inline bool AffinityBugWorkaround(void(*pfn)(void*))
 
 inline uint32_t ByteReverse(uint32_t value)
 {
-	value = ((value & 0xFF00FF00) >> 8) | ((value & 0x00FF00FF) << 8);
-	return (value<<16) | (value>>16);
+    value = ((value & 0xFF00FF00) >> 8) | ((value & 0x00FF00FF) << 8);
+    return (value<<16) | (value>>16);
 }
 
 #endif