diff --git a/include/sigar_private.h b/include/sigar_private.h
index 8e6728bf..01b29046 100644
--- a/include/sigar_private.h
+++ b/include/sigar_private.h
@@ -12,6 +12,10 @@
 #include <strings.h>
 #endif
 
+#ifdef DMALLOC
+#include <dmalloc.h>
+#endif
+
 /* common to all os sigar_t's */
 /* XXX: this is ugly; but don't want the same stuffs
  * duplicated on 4 platforms and am too lazy to change
@@ -40,6 +44,15 @@
 #   define SIGAR_INLINE
 #endif
 
+#ifdef DMALLOC
+/* linux has its own strdup macro, make sure we use dmalloc's */
+#define sigar_strdup(s) \
+    dmalloc_strdup(__FILE__, __LINE__, s, 0);
+#else
+#define sigar_strdup(s) \
+    strdup(s)
+#endif
+
 #define SIGAR_ZERO(s) \
     memset(s, '\0', sizeof(*(s)))
 
diff --git a/src/os/linux/linux_sigar.c b/src/os/linux/linux_sigar.c
index 1d431792..7f3ff415 100644
--- a/src/os/linux/linux_sigar.c
+++ b/src/os/linux/linux_sigar.c
@@ -1021,7 +1021,7 @@ static char *get_fsdev(sigar_t *sigar,
                 ptr = fsp->dev_name;
                 if (strnEQ(ptr, "/dev/", 5)) {
                     ptr += 5;
-                    ent->value = strdup(ptr);
+                    ent->value = sigar_strdup(ptr);
                     continue;
                 }
 
diff --git a/src/sigar.c b/src/sigar.c
index 04c74b40..0a91e88c 100644
--- a/src/sigar.c
+++ b/src/sigar.c
@@ -1347,7 +1347,8 @@ int sigar_net_interface_list_get(sigar_t *sigar,
         }
 #   endif        
 #endif
-        iflist->data[iflist->number++] = strdup(ifr->ifr_name);
+        iflist->data[iflist->number++] =
+            sigar_strdup(ifr->ifr_name);
     }
 
     return SIGAR_OK;