diff --git a/src/server/wsgi_memory.c b/src/server/wsgi_memory.c
index 28dad6eb..7fc88911 100644
--- a/src/server/wsgi_memory.c
+++ b/src/server/wsgi_memory.c
@@ -21,7 +21,11 @@
 
 #elif (defined(_AIX) || defined(__TOS__AIX__)) || (defined(__sun__) || defined(__sun) || defined(sun) && (defined(__SVR4) || defined(__svr4__)))
 #include <fcntl.h>
+#if defined(_AIX)
+#include <sys/procfs.h>
+#else
 #include <procfs.h>
+#endif
 
 #elif defined(__linux__) || defined(__linux) || defined(linux) || defined(__gnu_linux__)
 #include <stdio.h>