diff --git a/make/modules/java.desktop/lib/Awt2dLibraries.gmk b/make/modules/java.desktop/lib/Awt2dLibraries.gmk
index a0d70333108..87f47126bf7 100644
--- a/make/modules/java.desktop/lib/Awt2dLibraries.gmk
+++ b/make/modules/java.desktop/lib/Awt2dLibraries.gmk
@@ -455,7 +455,8 @@ else
    HARFBUZZ_DISABLED_WARNINGS_gcc := missing-field-initializers strict-aliasing \
        unused-result
    # noexcept-type required for GCC 7 builds. Not required for GCC 8+.
-   HARFBUZZ_DISABLED_WARNINGS_CXX_gcc := class-memaccess noexcept-type
+   # expansion-to-defined required for GCC 9 builds. Not required for GCC 10+.
+   HARFBUZZ_DISABLED_WARNINGS_CXX_gcc := class-memaccess noexcept-type expansion-to-defined
    HARFBUZZ_DISABLED_WARNINGS_clang := missing-field-initializers range-loop-analysis
    HARFBUZZ_DISABLED_WARNINGS_microsoft := 4267 4244