diff --git a/spa/plugins/alsa/acp-tool.c b/spa/plugins/alsa/acp-tool.c
index c12401100..824d69df6 100644
--- a/spa/plugins/alsa/acp-tool.c
+++ b/spa/plugins/alsa/acp-tool.c
@@ -10,7 +10,9 @@
 #include <time.h>
 #include <stdbool.h>
 #include <getopt.h>
+#ifdef __linux__
 #include <alloca.h>
+#endif
 
 #include <spa/debug/context.h>
 #include <spa/utils/string.h>
diff --git a/spa/plugins/vulkan/vulkan-blit-utils.c b/spa/plugins/vulkan/vulkan-blit-utils.c
index f8a60497e..e0bd6cfe5 100644
--- a/spa/plugins/vulkan/vulkan-blit-utils.c
+++ b/spa/plugins/vulkan/vulkan-blit-utils.c
@@ -12,8 +12,10 @@
 #include <fcntl.h>
 #include <string.h>
 #include <vulkan/vulkan_core.h>
-#if !defined(__FreeBSD__) && !defined(__MidnightBSD__)
+#ifdef __linux__
 #include <alloca.h>
+#else
+#include <stdlib.h>
 #endif
 #include <errno.h>
 #include <stdio.h>
diff --git a/spa/plugins/vulkan/vulkan-compute-utils.c b/spa/plugins/vulkan/vulkan-compute-utils.c
index 49705bee8..503542483 100644
--- a/spa/plugins/vulkan/vulkan-compute-utils.c
+++ b/spa/plugins/vulkan/vulkan-compute-utils.c
@@ -11,8 +11,10 @@
 #include <fcntl.h>
 #include <string.h>
 #include <vulkan/vulkan_core.h>
-#if !defined(__FreeBSD__) && !defined(__MidnightBSD__)
+#ifdef __linux__
 #include <alloca.h>
+#else
+#include <stdlib.h>
 #endif
 #include <errno.h>
 #include <stdio.h>
diff --git a/spa/plugins/vulkan/vulkan-utils.c b/spa/plugins/vulkan/vulkan-utils.c
index 6a0f693dc..88a230dd6 100644
--- a/spa/plugins/vulkan/vulkan-utils.c
+++ b/spa/plugins/vulkan/vulkan-utils.c
@@ -11,8 +11,10 @@
 #include <fcntl.h>
 #include <string.h>
 #include <poll.h>
-#if !defined(__FreeBSD__) && !defined(__MidnightBSD__)
+#ifdef __linux__
 #include <alloca.h>
+#else
+#include <stdlib.h>
 #endif
 #include <errno.h>
 #include <stdio.h>