diff --git a/ndn-cpp/c/encoding/binary-xml-forwarding-entry.h b/ndn-cpp/c/encoding/binary-xml-forwarding-entry.h
index 4a23371..b08f292 100644
--- a/ndn-cpp/c/encoding/binary-xml-forwarding-entry.h
+++ b/ndn-cpp/c/encoding/binary-xml-forwarding-entry.h
@@ -5,14 +5,14 @@
  */
 
 #ifndef NDN_BINARY_XML_FORWARDING_ENTRY_H
-#define	NDN_BINARY_XML_FORWARDING_ENTRY_H
+#define NDN_BINARY_XML_FORWARDING_ENTRY_H
 
 #include "../errors.h"
 #include "../forwarding-entry.h"
 #include "binary-xml-encoder.h"
 #include "binary-xml-decoder.h"
 
-#ifdef	__cplusplus
+#ifdef __cplusplus
 extern "C" {
 #endif
 
@@ -32,7 +32,7 @@
  */
 ndn_Error ndn_decodeBinaryXmlForwardingEntry(struct ndn_ForwardingEntry *forwardingEntry, struct ndn_BinaryXmlDecoder *decoder);
 
-#ifdef	__cplusplus
+#ifdef __cplusplus
 }
 #endif
 
diff --git a/ndn-cpp/c/name.c b/ndn-cpp/c/name.c
index d6864e9..355636d 100644
--- a/ndn-cpp/c/name.c
+++ b/ndn-cpp/c/name.c
@@ -37,11 +37,11 @@
 
 int ndn_Name_match(struct ndn_Name *self, struct ndn_Name *name)
 {
-	// This name is longer than the name we are checking it against.
-	if (self->nComponents > name->nComponents)
+  // This name is longer than the name we are checking it against.
+  if (self->nComponents > name->nComponents)
     return 0;
 
-	// Check if at least one of given components doesn't match.
+  // Check if at least one of given components doesn't match.
   size_t i;
   for (i = 0; i < self->nComponents; ++i) {
     struct ndn_NameComponent *selfComponent = self->components + i;
@@ -52,5 +52,5 @@
       return 0;
   }
 
-	return 1;
+  return 1;
 }
diff --git a/ndn-cpp/c/util/blob.h b/ndn-cpp/c/util/blob.h
index 18bcd03..8d1f784 100644
--- a/ndn-cpp/c/util/blob.h
+++ b/ndn-cpp/c/util/blob.h
@@ -5,11 +5,11 @@
  */
 
 #ifndef NDN_BLOB_H
-#define	NDN_BLOB_H
+#define NDN_BLOB_H
 
 #include <ndn-cpp/c/common.h>
 
-#ifdef	__cplusplus
+#ifdef __cplusplus
 extern "C" {
 #endif
 
@@ -33,7 +33,7 @@
   self->length = length;
 }
 
-#ifdef	__cplusplus
+#ifdef __cplusplus
 }
 #endif