diff --git a/cmake/modules/gd.cmake b/cmake/modules/gd.cmake
index 963b4ae..831a776 100644
--- a/cmake/modules/gd.cmake
+++ b/cmake/modules/gd.cmake
@@ -13,5 +13,6 @@ MACRO(ADD_GD_TESTS)
 			target_link_libraries (${test_prog_name} gdTest m ${ARGV0})
 		ENDIF(WIN32)
 		add_test(NAME ${test_prog_name} COMMAND ${test_prog_name})
+		SET_PROPERTY(TEST ${test_prog_name} PROPERTY SKIP_RETURN_CODE 77)
 	ENDFOREACH(test_name)
 ENDMACRO(ADD_GD_TESTS)