diff --git a/CMakeLists.txt b/CMakeLists.txt
index 266506b62..70f6d15e2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -34,8 +34,10 @@ set (RTENGINE_CXX_FLAGS "-ffast-math -funroll-loops" CACHE STRING "Special compi
 include (ProcessorTargets.cmake)
 set (PROC_LABEL "undefined" CACHE STRING "Target processor label, unused if PROC_TARGET_NUMBER = 0 or 2")
 set (PROC_FLAGS "" CACHE STRING "Target processor related build/link flags")
-if ((NOT(PROC_TARGET_NUMBER NOT EQUAL 0)) AND (NOT(PROC_TARGET_NUMBER EQUAL 2)))
+if ((NOT(PROC_TARGET_NUMBER EQUAL 0)) AND (NOT(PROC_TARGET_NUMBER EQUAL 2)))
 	set (PROC_LABEL ${PROC_TARGET_${PROC_TARGET_NUMBER}_LABEL})
+endif ()
+if (NOT(PROC_TARGET_NUMBER EQUAL 0))
 	set (PROC_FLAGS ${PROC_TARGET_${PROC_TARGET_NUMBER}_FLAGS})
 endif ()