diff --git a/srcpkgs/webkit2gtk/patches/fix-riscv64-build.patch b/srcpkgs/webkit2gtk/patches/fix-riscv64-build.patch
new file mode 100644
index 00000000000..3f599ea3c56
--- /dev/null
+++ b/srcpkgs/webkit2gtk/patches/fix-riscv64-build.patch
@@ -0,0 +1,28 @@
+diff --git a/Source/JavaScriptCore/offlineasm/riscv64.rb b/Source/JavaScriptCore/offlineasm/riscv64.rb
+index 81f356d04ae1..4abb1761509d 100644
+--- a/Source/JavaScriptCore/offlineasm/riscv64.rb
++++ b/Source/JavaScriptCore/offlineasm/riscv64.rb
+@@ -1523,7 +1523,8 @@ def riscv64GenerateWASMPlaceholders(list)
+         if node.is_a? Instruction
+             case node.opcode
+             when "loadlinkacqb", "loadlinkacqh", "loadlinkacqi", "loadlinkacqq",
+-                 "storecondrelb", "storecondrelh", "storecondreli", "storecondrelq"
++                 "storecondrelb", "storecondrelh", "storecondreli", "storecondrelq",
++                 "loadv", "storev"
+                 newList << Instruction.new(node.codeOrigin, "rv_ebreak", [], "WebAssembly placeholder for opcode #{node.opcode}")
+             else
+                 newList << node
+diff --git a/Source/WTF/wtf/PlatformEnable.h b/Source/WTF/wtf/PlatformEnable.h
+index e30a3d8ce077..937fdd447f92 100644
+--- a/Source/WTF/wtf/PlatformEnable.h
++++ b/Source/WTF/wtf/PlatformEnable.h
+@@ -616,7 +616,7 @@
+ #undef ENABLE_WEBASSEMBLY
+ #define ENABLE_WEBASSEMBLY 1
+ #undef ENABLE_WEBASSEMBLY_B3JIT
+-#define ENABLE_WEBASSEMBLY_B3JIT 0
++#define ENABLE_WEBASSEMBLY_B3JIT 1
+ #undef ENABLE_WEBASSEMBLY_BBQJIT
+ #define ENABLE_WEBASSEMBLY_BBQJIT 0
+ #endif
+
diff --git a/srcpkgs/webkit2gtk/template b/srcpkgs/webkit2gtk/template
index e58118a8c5e..9f67996e209 100644
--- a/srcpkgs/webkit2gtk/template
+++ b/srcpkgs/webkit2gtk/template
@@ -87,7 +87,7 @@ fi
 
 # only a few platform support JIT
 case "$XBPS_TARGET_MACHINE" in
-	aarch64*|x86_64*)
+	aarch64*|x86_64*|riscv64*)
 		build_options_default+=" jit"
 		if [ "$XBPS_TARGET_LIBC" = "glibc" ]; then
 			build_options_default+=" sampling_profiler"