diff --git a/src/os/solaris/sigar_os.h b/src/os/solaris/sigar_os.h
index bd1e1e79..7cfd3993 100644
--- a/src/os/solaris/sigar_os.h
+++ b/src/os/solaris/sigar_os.h
@@ -19,6 +19,8 @@ typedef unsigned long long int u_int64_t;
 #include <kstat.h>
 #include <procfs.h>
 
+#include "get_mib2.h"
+
 /* avoid -Wall warning since solaris doesnt have a prototype for this */
 int getdomainname(char *, int);
 
@@ -222,6 +224,8 @@ struct sigar_t {
     proc_exename_func_t pexename;
 
     sigar_cache_t *fsdev;
+
+    solaris_mib2_t mib2;
 };
 
 #define kSTAT_uint(v, type) \
diff --git a/src/os/solaris/solaris_sigar.c b/src/os/solaris/solaris_sigar.c
index d6e0de74..59f44b10 100644
--- a/src/os/solaris/solaris_sigar.c
+++ b/src/os/solaris/solaris_sigar.c
@@ -96,6 +96,9 @@ int sigar_os_open(sigar_t **sig)
 
     sigar->fsdev = NULL;
 
+    SIGAR_ZERO(&sigar->mib2);
+    sigar->mib2.sd = -1;
+
     return SIGAR_OK;
 }