diff --git a/plugins/zynaddsubfx/zynaddsubfx/src/Misc/Util.cpp b/plugins/zynaddsubfx/zynaddsubfx/src/Misc/Util.cpp
index b6b33dd5e..8af97d41d 100644
--- a/plugins/zynaddsubfx/zynaddsubfx/src/Misc/Util.cpp
+++ b/plugins/zynaddsubfx/zynaddsubfx/src/Misc/Util.cpp
@@ -190,8 +190,7 @@ void returnTmpBuffer(float *buf)
             return;
         }
     fprintf(stderr,
-            "ERROR: invalid buffer returned %s %d\n",
-            __FILE__,
+            "ERROR: invalid buffer returned src/Misc/Util.cpp %d\n",
             __LINE__);
 }
 
diff --git a/src/core/fft_helpers.cpp b/src/core/fft_helpers.cpp
index 4924403c5..c5266afa6 100644
--- a/src/core/fft_helpers.cpp
+++ b/src/core/fft_helpers.cpp
@@ -204,7 +204,7 @@ static const int onethirdoctavecenterfr[] = {20, 25, 31, 40, 50, 63, 80, 100, 12
 
 		if ( (j_min<0)||(j_max<0) )
 		{
-			fprintf(stderr, "Error: calc13octaveband31() in %s line %d failed.\n", __FILE__, __LINE__);
+			fprintf(stderr, "Error: calc13octaveband31() in fft_helpers.cpp line %d failed.\n", __LINE__);
 			return -1;
 		}
 
diff --git a/src/core/midi/MidiAlsaSeq.cpp b/src/core/midi/MidiAlsaSeq.cpp
index 8cfeb587f..fdf3d9fdb 100644
--- a/src/core/midi/MidiAlsaSeq.cpp
+++ b/src/core/midi/MidiAlsaSeq.cpp
@@ -114,7 +114,7 @@ MidiAlsaSeq::MidiAlsaSeq() :
 	// use a pipe to detect shutdown
 	if( pipe( m_pipe ) == -1 )
 	{
-		perror( __FILE__ ": pipe" );
+		perror( "MidiAlsaSeq: pipe" );
 	}
 
 	start( QThread::IdlePriority );