diff --git a/zenmap/zenmapGUI/DiffCompare.py b/zenmap/zenmapGUI/DiffCompare.py
index e1953dd46..3adc5e7b8 100644
--- a/zenmap/zenmapGUI/DiffCompare.py
+++ b/zenmap/zenmapGUI/DiffCompare.py
@@ -202,7 +202,7 @@ class ScanChooser(HIGVBox):
 
     def show_scan(self, widget):
         nmap_output = self.get_nmap_output()
-        if nmap_output != "":
+        if nmap_output:
             self.txt_scan_result.get_buffer().set_text(nmap_output)
 
     def normalize_output(self, output):
diff --git a/zenmap/zenmapGUI/ScanNmapOutputPage.py b/zenmap/zenmapGUI/ScanNmapOutputPage.py
index 78d9c1dcf..8f471121a 100644
--- a/zenmap/zenmapGUI/ScanNmapOutputPage.py
+++ b/zenmap/zenmapGUI/ScanNmapOutputPage.py
@@ -268,7 +268,7 @@ class ScanNmapOutputPage(HIGVBox):
         if entry.parsed is not None:
             self.nmap_output.set_command_execution(None)
             nmap_output = entry.parsed.get_nmap_output()
-            if nmap_output != "":
+            if nmap_output:
                 self.nmap_output.show_nmap_output(nmap_output)
             self.details_button.set_sensitive(True)
         elif entry.command is not None: