diff --git a/target/i386/fpu_helper.c b/target/i386/fpu_helper.c
index 72d1e77eb0..4d14c1ca24 100644
--- a/target/i386/fpu_helper.c
+++ b/target/i386/fpu_helper.c
@@ -1001,7 +1001,10 @@ void helper_fscale(CPUX86State *env)
         }
     } else {
         int n = floatx80_to_int32_round_to_zero(ST1, &env->fp_status);
+        signed char save = env->fp_status.floatx80_rounding_precision;
+        env->fp_status.floatx80_rounding_precision = 80;
         ST0 = floatx80_scalbn(ST0, n, &env->fp_status);
+        env->fp_status.floatx80_rounding_precision = save;
     }
 }
 
diff --git a/tests/tcg/i386/test-i386-fscale.c b/tests/tcg/i386/test-i386-fscale.c
index b953e7c563..d23b3cfeec 100644
--- a/tests/tcg/i386/test-i386-fscale.c
+++ b/tests/tcg/i386/test-i386-fscale.c
@@ -8,6 +8,8 @@ union u {
     long double ld;
 };
 
+volatile long double ld_third = 1.0L / 3.0L;
+volatile long double ld_four_thirds = 4.0L / 3.0L;
 volatile union u ld_invalid_1 = { .s = { 1, 1234 } };
 volatile union u ld_invalid_2 = { .s = { 0, 1234 } };
 volatile union u ld_invalid_3 = { .s = { 0, 0x7fff } };
@@ -91,5 +93,16 @@ int main(void)
         printf("FAIL: fscale finite down inf\n");
         ret = 1;
     }
+    /* Set round-to-nearest with single-precision rounding.  */
+    cw = cw & ~0xf00;
+    __asm__ volatile ("fldcw %0" : : "m" (cw));
+    __asm__ volatile ("fscale" : "=t" (ld_res) :
+                      "0" (ld_third), "u" (2.0L));
+    cw = cw | 0x300;
+    __asm__ volatile ("fldcw %0" : : "m" (cw));
+    if (ld_res != ld_four_thirds) {
+        printf("FAIL: fscale single-precision\n");
+        ret = 1;
+    }
     return ret;
 }