diff --git a/tools/widl/utils.c b/tools/widl/utils.c
index 5dce1a0231c..d9e18553132 100644
--- a/tools/widl/utils.c
+++ b/tools/widl/utils.c
@@ -477,6 +477,8 @@ void align_output( unsigned int align )
 
 /* xorshift* random generator. Source: https://en.wikipedia.org/wiki/Xorshift#xorshift* */
 static uint64_t pseudorandom_state = 1;
+static const char* pseudorandom_source = NULL;
+static size_t pseudorandom_source_size = 0;
 
 static uint64_t pseudorandom_algo(uint64_t* generator_state, uint64_t add_to_state)
 {
@@ -543,6 +545,16 @@ int pseudorandom_tempfile(char* file)
         sleep(5);
         counter++;
     } while (counter <= 12);
+
+    /* add deebug info */
+    if ((result != -1) && (getenv("SOURCE_RANDOM_DEBUG") != NULL))
+    {
+        debug_filename = strmake("%s.random_debug", file);
+        debug_file = fopen(debug_filename, "wb");
+        fwrite(pseudorandom_source, 1, pseudorandom_source_size, debug_file);
+        fclose(debug_file);
+        free(debug_filename);
+    }
     return result;
 }
 
@@ -625,6 +637,22 @@ void init_random_generator(int argc, char **argv)
         pseudorandom_algo(&generator_state, ((unsigned char*) argv_data)[j]);
     }
 
+    /* add debug if required */
+    if (getenv("SOURCE_RANDOM_DEBUG") != NULL)
+    {
+        /* gen field */
+        pseudorandom_source_size = env_size + argv_size + sizeof(generator_state);
+        buffer_pos = malloc(sizeof(char) * pseudorandom_source_size);
+        pseudorandom_source = buffer_pos;
+
+        /* copy data into it */
+        memcpy(buffer_pos, env_data, env_size);
+        buffer_pos += env_size;
+        memcpy(buffer_pos, argv_data, argv_size);
+        buffer_pos += argv_size;
+        memcpy(buffer_pos, &generator_state, sizeof(generator_state));
+    }
+
     /* set state and free rest */
     free(env_data);
     free(argv_data);