diff --git a/ext/random/config.m4 b/ext/random/config.m4
index 5c4c2b8bda3..ff43b856acf 100644
--- a/ext/random/config.m4
+++ b/ext/random/config.m4
@@ -12,6 +12,11 @@ AC_CHECK_HEADERS([CommonCrypto/CommonRandom.h],,, [dnl
   #include <CommonCrypto/CommonCryptoError.h>
 ])
 
+dnl
+dnl Mostly for non Linux systems
+dnl
+AC_CHECK_FUNCS([getrandom])
+
 dnl
 dnl Setup extension
 dnl
diff --git a/ext/random/csprng.c b/ext/random/csprng.c
index 05fc912317e..8b38985c6ac 100644
--- a/ext/random/csprng.c
+++ b/ext/random/csprng.c
@@ -48,7 +48,7 @@
 #ifdef HAVE_SYS_PARAM_H
 # include <sys/param.h>
 # if (defined(__FreeBSD__) && __FreeBSD_version > 1200000) || (defined(__DragonFly__) && __DragonFly_version >= 500700) || \
-     defined(__sun) || (defined(__NetBSD__) && __NetBSD_Version__ >= 1000000000) || defined(__midipix__)
+     (defined(__sun) && defined(HAVE_GETRANDOM)) || (defined(__NetBSD__) && __NetBSD_Version__ >= 1000000000) || defined(__midipix__)
 #  include <sys/random.h>
 # endif
 #endif
@@ -100,7 +100,7 @@ ZEND_ATTRIBUTE_NONNULL PHPAPI zend_result php_random_bytes_ex(void *bytes, size_
 #else
 	size_t read_bytes = 0;
 # if (defined(__linux__) && defined(SYS_getrandom)) || (defined(__FreeBSD__) && __FreeBSD_version >= 1200000) || (defined(__DragonFly__) && __DragonFly_version >= 500700) || \
-  defined(__sun) || (defined(__NetBSD__) && __NetBSD_Version__ >= 1000000000) || defined(__midipix__)
+  (defined(__sun) && defined(HAVE_GETRANDOM)) || (defined(__NetBSD__) && __NetBSD_Version__ >= 1000000000) || defined(__midipix__)
 	/* Linux getrandom(2) syscall or FreeBSD/DragonFlyBSD/NetBSD getrandom(2) function
 	 * Being a syscall, implemented in the kernel, getrandom offers higher quality output
 	 * compared to the arc4random api albeit a fallback to /dev/urandom is considered.