diff --git a/src/bin/clapper-app/clapper-app-utils.c b/src/bin/clapper-app/clapper-app-utils.c
index 202e4255..74b1308e 100644
--- a/src/bin/clapper-app/clapper-app-utils.c
+++ b/src/bin/clapper-app/clapper-app-utils.c
@@ -61,9 +61,10 @@ clapper_app_utils_win_enforce_hi_res_clock (void)
 {
 #ifdef HAVE_WIN_PROCESS_THREADS_API
   PROCESS_POWER_THROTTLING_STATE PowerThrottling;
-  RtlZeroMemory (&PowerThrottling, sizeof (PowerThrottling));
   gboolean success;
 
+  RtlZeroMemory (&PowerThrottling, sizeof (PowerThrottling));
+
   PowerThrottling.Version = PROCESS_POWER_THROTTLING_CURRENT_VERSION;
   PowerThrottling.ControlMask = PROCESS_POWER_THROTTLING_IGNORE_TIMER_RESOLUTION;
   PowerThrottling.StateMask = 0; // Always honor timer resolution requests