diff --git a/package/webkitgtk/webkitgtk.mk b/package/webkitgtk/webkitgtk.mk
index d9aa48f024..161807bc5a 100644
--- a/package/webkitgtk/webkitgtk.mk
+++ b/package/webkitgtk/webkitgtk.mk
@@ -173,18 +173,16 @@ else
 WEBKITGTK_CONF_OPTS += -DENABLE_JOURNALD_LOG=OFF
 endif
 
-# JIT is not supported for MIPS r6, but the WebKit build system does not
-# have a check for these processors. The same goes for ARMv5 and ARMv6.
+# JIT is not supported for MIPS, ARMv5, and ARMv6, but the WebKit build
+# system does not have a check for some of these target processors.
+#
 # Disable JIT forcibly here and use the CLoop interpreter instead.
+# Also, we have to disable the sampling profiler and WebAssembly, which
+# do NOT work with ENABLE_C_LOOP.
 #
-# Also, we have to disable the sampling profiler and webassembly,
-# which does NOT work with ENABLE_C_LOOP.
+# Upstream bug: https://bugs.webkit.org/show_bug.cgi?id=278559
 #
-# Upstream bugs: https://bugs.webkit.org/show_bug.cgi?id=191258
-#                https://bugs.webkit.org/show_bug.cgi?id=172765
-#                https://bugs.webkit.org/show_bug.cgi?id=265218
-#
-ifeq ($(BR2_ARM_CPU_ARMV5)$(BR2_ARM_CPU_ARMV6)$(BR2_MIPS_CPU_MIPS32R6)$(BR2_MIPS_CPU_MIPS64R6),y)
+ifeq ($(BR2_ARM_CPU_ARMV5)$(BR2_ARM_CPU_ARMV6)$(BR2_mips)$(BR2_mipsel),y)
 WEBKITGTK_CONF_OPTS += -DENABLE_JIT=OFF -DENABLE_C_LOOP=ON \
 	-DENABLE_SAMPLING_PROFILER=OFF \
 	-DENABLE_WEBASSEMBLY=OFF