diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index dde5e9cb4d..62701ed717 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,10 @@
+2019-07-24  Tom de Vries  <tdevries@suse.de>
+
+	PR testsuite/24807
+	* gdb.objc/basicclass.m: Include stdio.h.
+	* gdb.objc/nondebug.m: Same.
+	* gdb.objc/objcdecode.m: Same.
+
 2019-07-24  Tom de Vries  <tdevries@suse.de>
 
 	PR testsuite/24612
diff --git a/gdb/testsuite/gdb.objc/basicclass.m b/gdb/testsuite/gdb.objc/basicclass.m
index 0de12db25a..d9b3f23954 100644
--- a/gdb/testsuite/gdb.objc/basicclass.m
+++ b/gdb/testsuite/gdb.objc/basicclass.m
@@ -1,3 +1,4 @@
+#include <stdio.h>
 #include <objc/Object.h>
 
 @interface BasicClass: Object
diff --git a/gdb/testsuite/gdb.objc/nondebug.m b/gdb/testsuite/gdb.objc/nondebug.m
index dcbdde936c..352a71c30e 100644
--- a/gdb/testsuite/gdb.objc/nondebug.m
+++ b/gdb/testsuite/gdb.objc/nondebug.m
@@ -1,3 +1,4 @@
+#include <stdio.h>
 #include <objc/Object.h>
 
 @interface NonDebug: Object
diff --git a/gdb/testsuite/gdb.objc/objcdecode.m b/gdb/testsuite/gdb.objc/objcdecode.m
index 5e99618d11..a061661ed9 100644
--- a/gdb/testsuite/gdb.objc/objcdecode.m
+++ b/gdb/testsuite/gdb.objc/objcdecode.m
@@ -1,3 +1,4 @@
+#include <stdio.h>
 #include <objc/Object.h>
 
 @interface Decode: Object