diff --git a/platform/hermit/pte_osal.c b/platform/hermit/pte_osal.c
index 80127fe..1c7cfba 100644
--- a/platform/hermit/pte_osal.c
+++ b/platform/hermit/pte_osal.c
@@ -396,7 +396,7 @@ int pte_osThreadGetDefaultPriority(void)
 
 pte_osResult pte_osMutexCreate(pte_osMutexHandle *pHandle)
 {
-  if (sys_sem_init(pHandle, 1, 1))
+  if (sys_sem_init(pHandle, 0, 1))
     return PTE_OS_NO_RESOURCES;
 
   return PTE_OS_OK;
@@ -442,7 +442,7 @@ pte_osResult pte_osMutexUnlock(pte_osMutexHandle handle)
 
 pte_osResult pte_osSemaphoreCreate(int initialValue, pte_osSemaphoreHandle *pHandle)
 {
-  if (sys_sem_init(pHandle, 1, initialValue))
+  if (sys_sem_init(pHandle, 0, initialValue))
     return PTE_OS_NO_RESOURCES;
 
   return PTE_OS_OK;