diff --git a/external/vulkancts/modules/vulkan/wsi/vktWsiDisplayTests.cpp b/external/vulkancts/modules/vulkan/wsi/vktWsiDisplayTests.cpp
index e59bef6..33b4f7f 100644
--- a/external/vulkancts/modules/vulkan/wsi/vktWsiDisplayTests.cpp
+++ b/external/vulkancts/modules/vulkan/wsi/vktWsiDisplayTests.cpp
@@ -333,6 +333,9 @@
 		return false;
 	}
 
+	if (!countReported)
+		TCU_THROW(NotSupportedError, "No displays reported");
+
 	displaysProps.resize(countReported);
 
 	countRetrieved = countReported;
@@ -544,6 +547,9 @@
 		return false;
 	}
 
+	if (!countReported)
+		TCU_THROW(NotSupportedError, "No displays reported");
+
 	displaysProps.resize(countReported, displayProperties2);
 
 	countRetrieved = countReported;