diff --git a/src/compiler/wasm-linkage.cc b/src/compiler/wasm-linkage.cc
index f0e14ce..41acf55 100644
--- a/src/compiler/wasm-linkage.cc
+++ b/src/compiler/wasm-linkage.cc
@@ -58,7 +58,7 @@
 // ===========================================================================
 // == ia32 ===================================================================
 // ===========================================================================
-#define GP_PARAM_REGISTERS eax, edx, ecx, ebx
+#define GP_PARAM_REGISTERS eax, edx, ecx, ebx, esi
 #define GP_RETURN_REGISTERS eax, edx
 #define FP_PARAM_REGISTERS xmm1, xmm2, xmm3, xmm4, xmm5, xmm6
 #define FP_RETURN_REGISTERS xmm1, xmm2