diff --git a/src/spek-spectrogram.hh b/src/spek-spectrogram.hh
index 9158db3..db0fd61 100644
--- a/src/spek-spectrogram.hh
+++ b/src/spek-spectrogram.hh
@@ -19,6 +19,7 @@
 #ifndef SPEK_SPECTROGRAM_HH_
 #define SPEK_SPECTROGRAM_HH_
 
+#include <stdint.h>
 #include <wx/wx.h>
 
 struct spek_pipeline;