diff --git a/multimedia/openh264/Portfile b/multimedia/openh264/Portfile
index bfd92669b1d..efc904e7d6e 100644
--- a/multimedia/openh264/Portfile
+++ b/multimedia/openh264/Portfile
@@ -32,9 +32,9 @@ patchfiles-append       meson-build-do-not-hardcode-libc-on-darwin.diff
 # Undefined symbols:
 #  "__ZN7testing8internal23MakeAndRegisterTestInfoENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPKcS8_S8_NS0_12CodeLocationEPKvPFvvESD_PNS0_15TestFactoryBaseE"
 # Also required by gtest: https://github.com/cisco/openh264/issues/3807
-compiler.cxx_standard   2014
+compiler.cxx_standard   2017
 configure.cxxflags-append \
-                        -std=c++14
+                        -std=c++17
 
 if {[string match *clang* ${configure.compiler}]} {
     configure.cxxflags-append \