diff --git a/target-i386/seg_helper.c b/target-i386/seg_helper.c
index 6cbdf17426e9..fb79f3180d1a 100644
--- a/target-i386/seg_helper.c
+++ b/target-i386/seg_helper.c
@@ -1137,25 +1137,27 @@ static void do_interrupt_real(CPUX86State *env, int intno, int is_int,
 static void do_interrupt_user(CPUX86State *env, int intno, int is_int,
                               int error_code, target_ulong next_eip)
 {
-    SegmentCache *dt;
-    target_ulong ptr;
-    int dpl, cpl, shift;
-    uint32_t e2;
+    if (is_int) {
+        SegmentCache *dt;
+        target_ulong ptr;
+        int dpl, cpl, shift;
+        uint32_t e2;
 
-    dt = &env->idt;
-    if (env->hflags & HF_LMA_MASK) {
-        shift = 4;
-    } else {
-        shift = 3;
-    }
-    ptr = dt->base + (intno << shift);
-    e2 = cpu_ldl_kernel(env, ptr + 4);
+        dt = &env->idt;
+        if (env->hflags & HF_LMA_MASK) {
+            shift = 4;
+        } else {
+            shift = 3;
+        }
+        ptr = dt->base + (intno << shift);
+        e2 = cpu_ldl_kernel(env, ptr + 4);
 
-    dpl = (e2 >> DESC_DPL_SHIFT) & 3;
-    cpl = env->hflags & HF_CPL_MASK;
-    /* check privilege if software int */
-    if (is_int && dpl < cpl) {
-        raise_exception_err(env, EXCP0D_GPF, (intno << shift) + 2);
+        dpl = (e2 >> DESC_DPL_SHIFT) & 3;
+        cpl = env->hflags & HF_CPL_MASK;
+        /* check privilege if software int */
+        if (dpl < cpl) {
+            raise_exception_err(env, EXCP0D_GPF, (intno << shift) + 2);
+        }
     }
 
     /* Since we emulate only user space, we cannot do more than