diff --git a/srcpkgs/alsa-tools/patches/hdspmixer-uint64_t.patch b/srcpkgs/alsa-tools/patches/hdspmixer-uint64_t.patch
new file mode 100644
index 00000000000..bc895c8b3be
--- /dev/null
+++ b/srcpkgs/alsa-tools/patches/hdspmixer-uint64_t.patch
@@ -0,0 +1,11 @@
+--- hdspmixer/src/HDSPMixerWindow.cxx	2018-10-16 10:08:36.000000000 +0200
++++ hdspmixer/src/HDSPMixerWindow.cxx	2020-02-04 08:29:49.112429935 +0100
+@@ -36,7 +36,7 @@
+     struct hdspm_peak_rms hdspm_peak_rms;
+     bool isMADI = false;
+     uint32_t *input_peaks, *playback_peaks, *output_peaks;
+-    uint64_t *input_rms, *playback_rms, *output_rms;
++    __u64 *input_rms, *playback_rms, *output_rms;
+     
+     HDSPMixerWindow *w = (HDSPMixerWindow *)arg;
+