diff --git a/generic-pc/playback_gst.cpp b/generic-pc/playback_gst.cpp
index 55e2084..e21e46d 100644
--- a/generic-pc/playback_gst.cpp
+++ b/generic-pc/playback_gst.cpp
@@ -348,7 +348,7 @@ void cPlayback::Close(void)
 }
 
 // start
-bool cPlayback::Start(std::string filename, std::string headers = "")
+bool cPlayback::Start(std::string filename, std::string headers)
 {
 	Start(filename.c_str(),0,0,0,0,0);
 }
diff --git a/libspark/playback_libeplayer3.cpp b/libspark/playback_libeplayer3.cpp
index 5214e7e..984c906 100644
--- a/libspark/playback_libeplayer3.cpp
+++ b/libspark/playback_libeplayer3.cpp
@@ -52,7 +52,7 @@ void cPlayback::Close(void)
 	}
 }
 
-bool cPlayback::Start(std::string filename, std::string headers = "")
+bool cPlayback::Start(std::string filename, std::string headers)
 {
 	Start(filename.c_str(),0,0,0,0,0);
 }