diff --git a/gst/moodbar/gstfastspectrum.cpp b/gst/moodbar/gstfastspectrum.cpp
index 6db133107..0d1c1303c 100644
--- a/gst/moodbar/gstfastspectrum.cpp
+++ b/gst/moodbar/gstfastspectrum.cpp
@@ -138,7 +138,7 @@ gst_fastspectrum_alloc_channel_data (GstFastSpectrum * spectrum)
   spectrum->fft_output =reinterpret_cast<fftw_complex*>(
       fftw_malloc(sizeof(fftw_complex) * (nfft/2+1)));
 
-  spectrum->spect_magnitude = new double[bands];
+  spectrum->spect_magnitude = new double[bands]{};
 
   GstFastSpectrumClass* klass = reinterpret_cast<GstFastSpectrumClass*>(
       G_OBJECT_GET_CLASS(spectrum));