diff --git a/gstlal-inspiral/lib/gstlal_snglinspiral.h b/gstlal-inspiral/lib/gstlal_snglinspiral.h
index d7b2fa124f5aa66083e941f154df271a72ac963b..0af719ea1f55be4cbdcb379196ef06ccc0a3b837 100644
--- a/gstlal-inspiral/lib/gstlal_snglinspiral.h
+++ b/gstlal-inspiral/lib/gstlal_snglinspiral.h
@@ -35,6 +35,7 @@
 #include <lal/LIGOMetadataTables.h>
 #include <gsl/gsl_matrix_float.h>
 #include <gsl/gsl_matrix_complex_float.h>
+#include <gstlal/gstlal_peakfinder.h>
 
 
 G_BEGIN_DECLS