diff --git a/test/FakeDecoderAPI.cxx b/test/FakeDecoderAPI.cxx
index 9fac6f3be..e4f5d132f 100644
--- a/test/FakeDecoderAPI.cxx
+++ b/test/FakeDecoderAPI.cxx
@@ -25,6 +25,7 @@
 #include "Compiler.h"
 
 #include <unistd.h>
+#include <stdio.h>
 
 void
 decoder_initialized(Decoder &decoder,
diff --git a/test/run_convert.cxx b/test/run_convert.cxx
index 3878c5bf1..8b89831a5 100644
--- a/test/run_convert.cxx
+++ b/test/run_convert.cxx
@@ -35,6 +35,7 @@
 #include <assert.h>
 #include <stddef.h>
 #include <stdlib.h>
+#include <stdio.h>
 #include <unistd.h>
 
 int main(int argc, char **argv)
diff --git a/test/run_storage.cxx b/test/run_storage.cxx
index 7e6d6578f..592c691af 100644
--- a/test/run_storage.cxx
+++ b/test/run_storage.cxx
@@ -28,6 +28,7 @@
 
 #include <unistd.h>
 #include <stdlib.h>
+#include <stdio.h>
 #include <string.h>
 #include <time.h>
 
diff --git a/test/visit_archive.cxx b/test/visit_archive.cxx
index 787fc00e4..6b50867b5 100644
--- a/test/visit_archive.cxx
+++ b/test/visit_archive.cxx
@@ -31,6 +31,7 @@
 
 #include <unistd.h>
 #include <stdlib.h>
+#include <stdio.h>
 
 class MyArchiveVisitor final : public ArchiveVisitor {
  public: