diff --git a/ChangeLog b/ChangeLog
index 462b7f0cf..eef561725 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2013-12-02 Paulo Andrade <pcpa@gnu.org>
+
+	* lib/jit_x86-x87.c: Correct wrong code generation due
+	to comparing the base and not the value register with
+	%st(0) in stxi_f.
+
 2013-12-02 Paulo Andrade <pcpa@gnu.org>
 
 	* lib/jit_x86-x87.c, lib/jit_x86.c: Use 8 bytes aligned
diff --git a/lib/jit_x86-x87.c b/lib/jit_x86-x87.c
index 903fa50c3..9117bd65e 100644
--- a/lib/jit_x86-x87.c
+++ b/lib/jit_x86-x87.c
@@ -932,7 +932,7 @@ _x87_stxi_f(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_int32_t r1)
 	x87_stxr_f(rn(reg), r0, r1);
 	jit_unget_reg(reg);
     }
-    else if (r0 == _ST0_REGNO)
+    else if (r1 == _ST0_REGNO)
 	fstsm(i0, r0, _NOREG, _SCL1);
     else {
 	fxchr(r1);