diff --git a/src/utils/BacktraceManager.cpp b/src/utils/BacktraceManager.cpp
index eef178b9a89d6fd96c1e54644f99c51d8eeac45a..dd65bb9071f569c2104a6225aae8b4d86ac92c2f 100644
--- a/src/utils/BacktraceManager.cpp
+++ b/src/utils/BacktraceManager.cpp
@@ -25,7 +25,7 @@ BacktraceManager()
 }
 
 std::ostream& operator<<(std::ostream& os,
-			 const BacktraceManager& btm)
+                         const BacktraceManager& btm)
 {
   const std::vector<std::string>& lines = btm.m_lines;
 
@@ -41,16 +41,16 @@ std::ostream& operator<<(std::ostream& os,
       std::string prefix = matchex.prefix().str();
       std::string function = line.substr(matchex.position()+1,matchex.length()-2);
       std::string suffix = matchex.suffix().str();
-      
+
       os << prefix << '(';
       if (function.size() > 0) {
-	char* demangled = abi::__cxa_demangle(function.c_str(), NULL, NULL, &status);
-	if (status==0) {
-	  os << rang::style::bold << demangled << rang::style::reset;
-	  free(demangled);
-	} else {
-	  os << rang::style::bold << function << rang::style::reset;
-	}
+        char* demangled = abi::__cxa_demangle(function.c_str(), NULL, NULL, &status);
+        if (status==0) {
+          os << rang::style::bold << demangled << rang::style::reset;
+          free(demangled);
+        } else {
+          os << rang::style::bold << function << rang::style::reset;
+        }
       }
       os<< '+' << suffix << '\n';
     } else {