2 files changed, 2 insertions, 0 deletions
diff --git a/gr-filter/lib/fir_filter.cc b/gr-filter/lib/fir_filter.cc
index 8e585f245..233405824 100644
--- a/gr-filter/lib/fir_filter.cc
+++ b/gr-filter/lib/fir_filter.cc
@@ -24,6 +24,7 @@
 #include <fft/fft.h>
 #include <volk/volk.h>
 #include <cstdio>
+#include <cstring>
 
 namespace gr {
   namespace filter {
diff --git a/gr-filter/lib/fir_filter_with_buffer.cc b/gr-filter/lib/fir_filter_with_buffer.cc
index 58ef67fb7..105214087 100644
--- a/gr-filter/lib/fir_filter_with_buffer.cc
+++ b/gr-filter/lib/fir_filter_with_buffer.cc
@@ -29,6 +29,7 @@
 #include <volk/volk.h>
 #include <algorithm>
 #include <cstdio>
+#include <cstring>
 
 namespace gr {
   namespace filter {