diff --git a/CMakeLists.txt b/CMakeLists.txt
index db0287b73..a599819f2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -80,9 +80,9 @@ check_function_exists("backtrace" HAVE_DECL_BACKTRACE)
 check_function_exists("posix_memalign" HAVE_POSIX_MEMALIGN)
 check_function_exists("strsignal" HAVE_STRSIGNAL)
 check_prototype_definition("round" "double round (double x)" "0.0" "math.h" HAVE_DECL_ROUND)
-check_type_size("siginfo_t" SIGINFO_T)
-check_type_size("ucontext_t" UCONTEXT_T)
-check_type_size("struct sigcontext" STRUCT_SIGCONTEXT)
+check_type_size("siginfo_t" HAVE_SIGINFO_T)
+check_type_size("ucontext_t" HAVE_UCONTEXT_T)
+check_type_size("struct sigcontext" HAVE_STRUCT_SIGCONTEXT)
 check_struct_has_member("struct sigcontext" eip signal.h HAVE_STRUCT_SIGCONTEXT_EIP)
 check_struct_has_member("struct sigcontext" rip signal.h HAVE_STRUCT_SIGCONTEXT_RIP)