diff --git a/alib2measurepp/src/provisioner/MeasurementProvisioner.cpp b/alib2measurepp/src/provisioner/MeasurementProvisioner.cpp
index 3c69b543b06bcff5c42f448b93b7864b5f2454bd..bba4b2b98f709b7ea23524a1c567c5c5f1dbc4a0 100644
--- a/alib2measurepp/src/provisioner/MeasurementProvisioner.cpp
+++ b/alib2measurepp/src/provisioner/MeasurementProvisioner.cpp
@@ -235,7 +235,6 @@ void MeasurementProvisioner::PipelineRunnerEnvironment::commandFdSwap ( ) {
 	if ( ( dup ( outputTmpfile.fd ) == -1 ) || ( dup ( inputTmpfile.fd ) == -1 ) )
 		throw::exception::CommonException ( "MeasurementProvisioner: dup failed" );
 
-
 	 // rewind previous stdout to the beginning, so the next command can read the whole file as input
 	lseek ( 0, 0, SEEK_SET );
 
@@ -264,7 +263,10 @@ string MeasurementProvisioner::PipelineRunnerEnvironment::retrievePipelineError
 
 	 // destroy stderr contents
 	lseek ( 2, 0, SEEK_SET );
-	ftruncate ( 2, 0 );
+
+	if ( ftruncate ( 2, 0 ) == -1 )
+		throw::exception::CommonException ( "MeasurementProvisioner: ftruncate failed" );
+
 	return buffer.str ( );
 }