diff --git a/CMakeLists.txt b/CMakeLists.txt
index eecfa422bf6..5eddad4ad15 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -112,7 +112,8 @@ OPTION(MYSQL_MAINTAINER_MODE "MySQL maintainer-specific development environment"
 # Whether the maintainer mode should be enabled.
 IF(MYSQL_MAINTAINER_MODE)
   IF(CMAKE_COMPILER_IS_GNUCC)
-    SET(MY_MAINTAINER_C_WARNINGS "-Wall -Wextra -Wunused -Wwrite-strings -Werror"
+    SET(MY_MAINTAINER_C_WARNINGS
+        "-Wall -Wextra -Wunused -Wwrite-strings -Wno-strict-aliasing -Werror"
         CACHE STRING "C warning options used in maintainer builds.")
   ENDIF()
   IF(CMAKE_COMPILER_IS_GNUCXX)
diff --git a/config/ac-macros/maintainer.m4 b/config/ac-macros/maintainer.m4
index 1b7df75d6f7..24be31395f2 100644
--- a/config/ac-macros/maintainer.m4
+++ b/config/ac-macros/maintainer.m4
@@ -16,7 +16,7 @@ AC_DEFUN([MY_MAINTAINER_MODE], [
 AC_DEFUN([MY_MAINTAINER_MODE_WARNINGS], [
   # Setup GCC warning options.
   AS_IF([test "$GCC" = "yes"], [
-    C_WARNINGS="-Wall -Wextra -Wunused -Wwrite-strings -Werror"
+    C_WARNINGS="-Wall -Wextra -Wunused -Wwrite-strings -Wno-strict-aliasing -Werror"
     CXX_WARNINGS="${C_WARNINGS} -Wno-unused-parameter"
   ])