diff --git a/package/webkitgtk/Config.in b/package/webkitgtk/Config.in
index bc8207d93b..052800c8cf 100644
--- a/package/webkitgtk/Config.in
+++ b/package/webkitgtk/Config.in
@@ -7,6 +7,10 @@ config BR2_PACKAGE_WEBKITGTK_ARCH_SUPPORTS
 	# Disabled on MIPS big endian due to sigbus
 	default y if BR2_mipsel || BR2_mips64el
 	# Disabled on PowerPC pending runtime testing
+	# RISC-V needs the g/imafd ISA.
+	default y if BR2_riscv && BR2_RISCV_ISA_RVI \
+		&& BR2_RISCV_ISA_RVM && BR2_RISCV_ISA_RVA \
+		&& BR2_RISCV_ISA_RVF && BR2_RISCV_ISA_RVD
 	# Disabled on SuperH because of segfault
 	depends on BR2_USE_MMU # libglib2
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4