diff --git a/tests/suites/helpers.function b/tests/suites/helpers.function
index 122a17d..ba4010b 100644
--- a/tests/suites/helpers.function
+++ b/tests/suites/helpers.function
@@ -286,7 +286,7 @@
 #define TEST_VALID_PARAM( TEST )                                    \
     TEST_ASSERT( ( TEST, 1 ) );
 
-#define assert(a) if( !( a ) )                                      \
+#define TEST_HELPER_ASSERT(a) if( !( a ) )                                      \
 {                                                                   \
     mbedtls_fprintf( stderr, "Assertion Failed at %s:%d - %s\n",   \
                              __FILE__, __LINE__, #a );              \
@@ -504,7 +504,7 @@
 {
     unsigned char c, c2;
     int len = strlen( ibuf ) / 2;
-    assert( strlen( ibuf ) % 2 == 0 ); /* must be even number of bytes */
+    TEST_HELPER_ASSERT( strlen( ibuf ) % 2 == 0 ); /* must be even number of bytes */
 
     while( *ibuf != 0 )
     {
@@ -516,7 +516,7 @@
         else if( c >= 'A' && c <= 'F' )
             c -= 'A' - 10;
         else
-            assert( 0 );
+            TEST_HELPER_ASSERT( 0 );
 
         c2 = *ibuf++;
         if( c2 >= '0' && c2 <= '9' )
@@ -526,7 +526,7 @@
         else if( c2 >= 'A' && c2 <= 'F' )
             c2 -= 'A' - 10;
         else
-            assert( 0 );
+            TEST_HELPER_ASSERT( 0 );
 
         *obuf++ = ( c << 4 ) | c2;
     }
@@ -571,7 +571,7 @@
     size_t actual_len = ( len != 0 ) ? len : 1;
 
     p = mbedtls_calloc( 1, actual_len );
-    assert( p != NULL );
+    TEST_HELPER_ASSERT( p != NULL );
 
     memset( p, 0x00, actual_len );
 
@@ -598,7 +598,7 @@
         return( zero_alloc( *olen ) );
 
     obuf = mbedtls_calloc( 1, *olen );
-    assert( obuf != NULL );
+    TEST_HELPER_ASSERT( obuf != NULL );
 
     (void) unhexify( obuf, ibuf );