diff --git a/src/modules/module-filter-chain/dsp-ops-avx.c b/src/modules/module-filter-chain/dsp-ops-avx.c
index 6f189a4d7..126f280bc 100644
--- a/src/modules/module-filter-chain/dsp-ops-avx.c
+++ b/src/modules/module-filter-chain/dsp-ops-avx.c
@@ -9,6 +9,9 @@
 #include <spa/utils/defs.h>
 
 #include "config.h"
+#ifndef HAVE_FFTW
+#include "pffft.h"
+#endif
 #include "dsp-ops.h"
 
 #include <immintrin.h>
diff --git a/src/modules/module-filter-chain/dsp-ops-sse.c b/src/modules/module-filter-chain/dsp-ops-sse.c
index 13ba19577..0f4dea9e2 100644
--- a/src/modules/module-filter-chain/dsp-ops-sse.c
+++ b/src/modules/module-filter-chain/dsp-ops-sse.c
@@ -11,6 +11,9 @@
 #include <spa/utils/defs.h>
 
 #include "config.h"
+#ifndef HAVE_FFTW
+#include "pffft.h"
+#endif
 
 #include "dsp-ops.h"