diff --git a/src/os/solaris/solaris_sigar.c b/src/os/solaris/solaris_sigar.c
index 469e9cbd..b77ec97b 100644
--- a/src/os/solaris/solaris_sigar.c
+++ b/src/os/solaris/solaris_sigar.c
@@ -1321,6 +1321,7 @@ static int create_fsdev_cache(sigar_t *sigar)
         }
     }
 
+    free(mapping);
     sigar_file_system_list_destroy(sigar, &fslist);
 
     return SIGAR_OK;