diff --git a/firmware/tunerstudio/rusefi.input b/firmware/tunerstudio/rusefi.input
index 0484a89f66..8bc91dd994 100644
--- a/firmware/tunerstudio/rusefi.input
+++ b/firmware/tunerstudio/rusefi.input
@@ -1646,7 +1646,6 @@ cmd_test_check_engine_light  	= "@@TS_IO_TEST_COMMAND_char@@@@CMD_TS_BENCH_CATEG
 cmd_test_idle_valve          	= "@@TS_IO_TEST_COMMAND_char@@@@CMD_TS_BENCH_CATEGORY_16_hex@@@@CMD_TS_BENCH_IDLE_VALVE_16_hex@@"
 cmd_test_hpfp_valve          	= "@@TS_IO_TEST_COMMAND_char@@@@CMD_TS_BENCH_CATEGORY_16_hex@@@@CMD_TS_BENCH_HPFP_VALVE_16_hex@@"
 
-
 cmd_calibrate_tps_1_closed   = "@@TS_IO_TEST_COMMAND_char@@\x00\x14\x00\x02"
 cmd_calibrate_tps_1_wot      = "@@TS_IO_TEST_COMMAND_char@@\x00\x14\x00\x03"
 cmd_calibrate_tps_2_closed   = "@@TS_IO_TEST_COMMAND_char@@\x00\x14\x00\x04"
diff --git a/java_tools/ConfigDefinition.jar b/java_tools/ConfigDefinition.jar
index df897921df..101116a748 100644
Binary files a/java_tools/ConfigDefinition.jar and b/java_tools/ConfigDefinition.jar differ
diff --git a/java_tools/configuration_definition/src/com/rusefi/output/TSProjectConsumer.java b/java_tools/configuration_definition/src/com/rusefi/output/TSProjectConsumer.java
index 1556fe8f0a..ae9e82fb5f 100644
--- a/java_tools/configuration_definition/src/com/rusefi/output/TSProjectConsumer.java
+++ b/java_tools/configuration_definition/src/com/rusefi/output/TSProjectConsumer.java
@@ -76,6 +76,9 @@ public class TSProjectConsumer implements ConfigurationConsumer {
             tsPosition += configField.getState().tsCustomSize.get(configField.getType());
         } else if (configField.getTsInfo() == null) {
             throw new IllegalArgumentException("Need TS info for " + configField.getName() + " at "+ prefix);
+        } else if (configField.getArraySize() == 0) {
+            // write nothing for empty array
+            // TS does not like those
         } else if (configField.getArraySize() != 1) {
             tsHeader.write(nameWithPrefix + " = array, ");
             tsHeader.write(TypesHelper.convertToTs(configField.getType()) + ",");