diff --git a/src/cpuinfo/SDL_cpuinfo.c b/src/cpuinfo/SDL_cpuinfo.c
index a097170e11..b45326fd2f 100644
--- a/src/cpuinfo/SDL_cpuinfo.c
+++ b/src/cpuinfo/SDL_cpuinfo.c
@@ -29,7 +29,7 @@
 
 // CPU feature detection for SDL
 
-#ifdef HAVE_SYSCONF
+#if defined(HAVE_SYSCONF) || defined(HAVE_GETPAGESIZE)
 #include <unistd.h>
 #endif
 #ifdef HAVE_SYSCTLBYNAME