diff --git a/src/plugins/squish/squishsettings.cpp b/src/plugins/squish/squishsettings.cpp
index 58fad483e77..e763db9f80a 100644
--- a/src/plugins/squish/squishsettings.cpp
+++ b/src/plugins/squish/squishsettings.cpp
@@ -42,6 +42,17 @@ SquishSettings::SquishSettings()
     squishPath.setDisplayStyle(StringAspect::PathChooserDisplay);
     squishPath.setExpectedKind(PathChooser::ExistingDirectory);
     squishPath.setPlaceHolderText(Tr::tr("Path to Squish installation"));
+    squishPath.setValidationFunction([this](FancyLineEdit *edit, QString *error) {
+        QTC_ASSERT(edit, return false);
+        if (!squishPath.pathChooser()->defaultValidationFunction()(edit, error));
+            return false;
+        const FilePath squishServer = FilePath::fromString(edit->text())
+                .pathAppended(HostOsInfo::withExecutableSuffix("bin/squishserver"));
+        const bool valid = squishServer.isExecutableFile();
+        if (!valid && error)
+            *error = Tr::tr("Path does not contain server executable at its default location.");
+        return valid;
+    });
 
     registerAspect(&licensePath);
     licensePath.setSettingsKey("LicensePath");