diff --git a/src/os/win32/win32_sigar.c b/src/os/win32/win32_sigar.c
index aa46c256..44759e49 100644
--- a/src/os/win32/win32_sigar.c
+++ b/src/os/win32/win32_sigar.c
@@ -1317,6 +1317,7 @@ static int sigar_proc_modules_get_toolhelp(sigar_t *sigar,
 
     module.dwSize = sizeof(MODULEENTRY32);
     if (!module_first(snap_shot, &module)) {
+        CloseHandle(snap_shot);
         return SIGAR_OK;
     }
 
@@ -1334,6 +1335,7 @@ static int sigar_proc_modules_get_toolhelp(sigar_t *sigar,
         module.dwSize = sizeof(MODULEENTRY32);
     } while (module_next(snap_shot, &module));
 
+    CloseHandle(snap_shot);
     FreeLibrary(k32_handle);
 
     return SIGAR_OK;