diff --git a/cmake/JsonDetect.cmake b/cmake/JsonDetect.cmake
index 994e3039d..c23041b4e 100644
--- a/cmake/JsonDetect.cmake
+++ b/cmake/JsonDetect.cmake
@@ -23,7 +23,7 @@ if (NOT WITH_JSON_DISABLED)
 			find_library(CJSON_LIBRARIES
 				NAMES cjson
 			)
-			if (NOT "${CJSON_LIBRARIES}" EQUAL "CJSON_LIBRARIES-NOTFOUND" AND NOT "${CJSON_INCLUDE_DIRS}" EQUAL "CJSON_INCLUDE_DIRS-NOTFOUND")
+			if (NOT "${CJSON_LIBRARIES}" STREQUAL "CJSON_LIBRARIES-NOTFOUND" AND NOT "${CJSON_INCLUDE_DIRS}" STREQUAL "CJSON_INCLUDE_DIRS-NOTFOUND")
 				set(CJSON_FOUND ON)
 			endif()
 		endif()