diff --git a/library/dhm.c b/library/dhm.c
index 8255632..0d7ee24 100644
--- a/library/dhm.c
+++ b/library/dhm.c
@@ -127,7 +127,7 @@
 void mbedtls_dhm_init( mbedtls_dhm_context *ctx )
 {
     DHM_VALIDATE( ctx != NULL );
-    memset( ctx, 0, sizeof( mbedtls_dhm_context ) );
+    mbedtls_platform_memset( ctx, 0, sizeof( mbedtls_dhm_context ) );
 }
 
 /*