diff --git a/board/forms.py b/board/forms.py
index 412bb8a..fb24697 100644
--- a/board/forms.py
+++ b/board/forms.py
@@ -101,6 +101,8 @@ class ReportForm(ModelForm):
                 record = ReportRecord.objects.get(post=self.op)
             except ReportRecord.DoesNotExist:
                 record = ReportRecord.objects.create(post=self.op)
+        if record.report_set.filter(ip=self.instance.ip):
+            raise ValidationError(_("You have already reported this post."))
         self.instance.record = record
         return super(ReportForm, self).clean()
 
diff --git a/board/models.py b/board/models.py
index 710156f..e1ea7f5 100644
--- a/board/models.py
+++ b/board/models.py
@@ -281,6 +281,11 @@ class Report(models.Model):
         they are abusing the system.
     """
 
+    class Meta:
+        unique_together = [
+            ["record", "ip"],
+        ]
+
     # The report that was made by this user
     record = models.ForeignKey("ReportRecord", on_delete=models.CASCADE)
     # Reason for this report
diff --git a/board/static/board/post.js b/board/static/board/post.js
index 59922bd..7da902c 100644
--- a/board/static/board/post.js
+++ b/board/static/board/post.js
@@ -200,7 +200,6 @@ function openReportWindow(reportUrl) {
     });
     $(reportWindow.iframe, "iframe").on("load", () => {
         fitWindowToContent(reportWindow);
-        reportWindow.setResizable(false);
     });
     reportWindow.show();
 }