diff --git a/package/wpewebkit/wpewebkit.mk b/package/wpewebkit/wpewebkit.mk
index 03deb6e991..1f5f4aa5e6 100644
--- a/package/wpewebkit/wpewebkit.mk
+++ b/package/wpewebkit/wpewebkit.mk
@@ -156,18 +156,16 @@ else
 WPEWEBKIT_CONF_OPTS += -DUSE_GBM=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.
-# Disable JIT forcibly here and use the CLoop interpreter instead.
+# 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.
 #
-# 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
+# Upstream bug: https://bugs.webkit.org/show_bug.cgi?id=278559
 #
-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)
 WPEWEBKIT_CONF_OPTS += \
 	-DENABLE_JIT=OFF \
 	-DENABLE_C_LOOP=ON \