diff --git a/src/basicio.cpp b/src/basicio.cpp
index f6e846f4..9fa3c809 100644
--- a/src/basicio.cpp
+++ b/src/basicio.cpp
@@ -1635,10 +1635,10 @@ namespace Exiv2 {
 #ifdef DEBUG
         std::cerr << "RemoteIo::close totalRead_ = " << p_->totalRead_ << std::endl;
 #endif
-		if ( bigBlock_ ) {
-			delete [] bigBlock_;
-			bigBlock_=NULL;
-		}
+        if ( bigBlock_ ) {
+            delete [] bigBlock_;
+            bigBlock_=NULL;
+        }
         return 0;
     }
 
@@ -1855,7 +1855,7 @@ namespace Exiv2 {
 #ifdef DEBUG
             std::cerr << "RemoteIo::mmap nRealData = " << nRealData << std::endl;
 #endif
-		}
+        }
 
         return bigBlock_;
     }
diff --git a/src/futils.cpp b/src/futils.cpp
index 8fe1810b..88c5c1df 100644
--- a/src/futils.cpp
+++ b/src/futils.cpp
@@ -239,8 +239,8 @@ namespace Exiv2 {
     Protocol fileProtocol(const std::string& path) {
         Protocol result = pFile ;
         struct {
-        	std::string name ;
-        	Protocol    prot ;
+            std::string name ;
+            Protocol    prot ;
         } prots[] =
         { { "http://"   ,pHttp     }
         , { "https://"  ,pHttps    }
@@ -252,8 +252,8 @@ namespace Exiv2 {
         , { "-"         ,pStdin    }
         };
         for ( size_t i = 0 ; result == pFile && i < sizeof(prots)/sizeof(prots[0]) ; i ++ )
-        	if ( path.find(prots[i].name) == 0 )
-        		result = prots[i].prot;
+            if ( path.find(prots[i].name) == 0 )
+                result = prots[i].prot;
 
         return result;
     } // fileProtocol
@@ -261,8 +261,8 @@ namespace Exiv2 {
     Protocol fileProtocol(const std::wstring& wpath) {
         Protocol result = pFile ;
         struct {
-        	std::wstring wname ;
-        	Protocol      prot ;
+            std::wstring wname ;
+            Protocol      prot ;
         } prots[] =
         { { L"http://"   ,pHttp     }
         , { L"https://"  ,pHttps    }
@@ -274,21 +274,21 @@ namespace Exiv2 {
         , { L"-"         ,pStdin    }
         };
         for ( size_t i = 0 ; result == pFile && i < sizeof(prots)/sizeof(prots[0]) ; i ++ )
-        	if ( wpath.find(prots[i].wname) == 0 )
-        		result = prots[i].prot;
+            if ( wpath.find(prots[i].wname) == 0 )
+                result = prots[i].prot;
 
         return result;
     } // fileProtocol
 #endif
     bool fileExists(const std::string& path, bool ct)
     {
-		// special case: accept "-" (means stdin)
+        // special case: accept "-" (means stdin)
         if (path.compare("-") == 0 || fileProtocol(path)) {
-			return true;
+            return true;
         }
 
         struct stat buf;
-		int ret = ::stat(path.c_str(), &buf);
+        int ret = ::stat(path.c_str(), &buf);
         if (0 != ret)                    return false;
         if (ct && !S_ISREG(buf.st_mode)) return false;
         return true;
@@ -297,9 +297,9 @@ namespace Exiv2 {
 #ifdef EXV_UNICODE_PATH
     bool fileExists(const std::wstring& wpath, bool ct)
     {
-		// special case: accept "-" (means stdin)
+        // special case: accept "-" (means stdin)
         if (wpath.compare(L"-") == 0 || fileProtocol(wpath)) {
-			return true;
+            return true;
         }
 
         struct _stat buf;