diff --git a/CMakeLists.txt b/CMakeLists.txt
index abacb3650..925f0e40d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -340,7 +340,7 @@ else()
 	set(HAVE_FCNTL_H 1)
 	set(HAVE_UNISTD_H 1)
 	set(HAVE_STDINT_H 1)
-	set(HAVE_STDBOOL_H 1)
+	set(HAVE_STDBOOL_H 0)
 	set(HAVE_INTTYPES_H 1)
 	set(HAVE_SYS_FILIO_H 1)
 endif()