diff --git a/databases/mysql57-client/Makefile b/databases/mysql57-client/Makefile
index fd339d57dd4b..4aba258381ab 100644
--- a/databases/mysql57-client/Makefile
+++ b/databases/mysql57-client/Makefile
@@ -22,6 +22,9 @@ CONFLICTS_INSTALL=	mysql5[0-68-9]-client-* \
 CMAKE_ARGS+=	-DWITHOUT_SERVER=1 \
 		-DWITH_NDBCLUSTER=1
 
+CFLAGS+=	-DNDEBUG
+CXXFLAGS+=	-DNDEBUG
+
 USE_LDCONFIG+=	${PREFIX}/lib/mysql
 
 MMAN1=		comp_err.1 msql2mysql.1 mysql.1 mysql_config.1 mysql_config_editor.1 mysql_find_rows.1 \
diff --git a/databases/mysql57-server/Makefile b/databases/mysql57-server/Makefile
index 0b35f4507a2c..593ff79f414b 100644
--- a/databases/mysql57-server/Makefile
+++ b/databases/mysql57-server/Makefile
@@ -32,6 +32,7 @@ LIB_DEPENDS+=	libcurl.so:ftp/curl \
 
 CMAKE_BUILD_TYPE=	Release
 
+CFLAGS+=	-DNDEBUG
 CXXFLAGS+=	-DNDEBUG
 
 CMAKE_ARGS+=	-DINSTALL_LAYOUT=FREEBSD \