diff --git a/src/nodeinfo.c b/src/nodeinfo.c
index c88f86c..1fa3e05 100644
--- a/src/nodeinfo.c
+++ b/src/nodeinfo.c
@@ -38,6 +38,8 @@
 # include <sys/types.h>
 # include <sys/sysctl.h>
 # include <sys/resource.h>
+#elif defined(__linux__)
+# include <sys/sysinfo.h>
 #endif
 
 #include "c-ctype.h"
@@ -1042,6 +1044,7 @@ int nodeGetInfo(virNodeInfoPtr nodeinfo)
     {
     int ret = -1;
     FILE *cpuinfo = fopen(CPUINFO_PATH, "r");
+    struct sysinfo si;
     if (!cpuinfo) {
         virReportSystemError(errno,
                              _("cannot open %s"), CPUINFO_PATH);
@@ -1053,7 +1056,11 @@ int nodeGetInfo(virNodeInfoPtr nodeinfo)
         goto cleanup;
 
     /* Convert to KB. */
-    nodeinfo->memory = physmem_total() / 1024;
+    if (sysinfo(&si) == 0) {
+        nodeinfo->memory = si.totalram / 1024;
+    } else {
+        nodeinfo->memory = physmem_total() / 1024;
+    }
 
  cleanup:
     VIR_FORCE_FCLOSE(cpuinfo);