diff --git a/firmware/config/engines/custom_engine.cpp b/firmware/config/engines/custom_engine.cpp
index 9e733b982a..2f4ef476ae 100644
--- a/firmware/config/engines/custom_engine.cpp
+++ b/firmware/config/engines/custom_engine.cpp
@@ -321,6 +321,10 @@ void setEtbTestConfiguration(DECLARE_CONFIG_PARAMETER_SIGNATURE) {
 	// see also setDefaultEtbBiasCurve
 }
 
+void setIssue898(DECLARE_CONFIG_PARAMETER_SIGNATURE) {
+	engineConfiguration->trigger.type = TT_MAZDA_MIATA_NA;
+}
+
 // TLE8888_BENCH_ENGINE
 // set engine_type 59
 void setTle8888TestConfiguration(DECLARE_CONFIG_PARAMETER_SIGNATURE) {
diff --git a/firmware/config/engines/custom_engine.h b/firmware/config/engines/custom_engine.h
index d287bce89e..210b04562b 100644
--- a/firmware/config/engines/custom_engine.h
+++ b/firmware/config/engines/custom_engine.h
@@ -17,6 +17,7 @@ void setFrankensoBoardTestConfiguration(DECLARE_CONFIG_PARAMETER_SIGNATURE);
 void setEtbTestConfiguration(DECLARE_CONFIG_PARAMETER_SIGNATURE);
 void setTle8888TestConfiguration(DECLARE_CONFIG_PARAMETER_SIGNATURE);
 
+void setIssue898(DECLARE_CONFIG_PARAMETER_SIGNATURE);
 
 void mreBoardTest(DECLARE_CONFIG_PARAMETER_SIGNATURE);
 #endif /* CONFIG_ENGINES_CUSTOM_ENGINE_H_ */
diff --git a/firmware/config/engines/mazda_miata_1_6.cpp b/firmware/config/engines/mazda_miata_1_6.cpp
index dcd4b512c4..6eb65baacc 100644
--- a/firmware/config/engines/mazda_miata_1_6.cpp
+++ b/firmware/config/engines/mazda_miata_1_6.cpp
@@ -102,6 +102,7 @@ static const fuel_table_t miataNA6_maf_fuel_table = {
 
 static void miataNAcommonEngineSettings(DECLARE_CONFIG_PARAMETER_SIGNATURE) {
 	engineConfiguration->trigger.type = TT_MAZDA_MIATA_NA;
+	engineConfiguration->useOnlyRisingEdgeForTrigger = false;
 	engineConfiguration->specs.cylindersCount = 4;
 	engineConfiguration->specs.firingOrder = FO_1_3_4_2;
 
diff --git a/firmware/controllers/algo/auto_generated_enums.cpp b/firmware/controllers/algo/auto_generated_enums.cpp
index 9798ef888c..b0dbc7defd 100644
--- a/firmware/controllers/algo/auto_generated_enums.cpp
+++ b/firmware/controllers/algo/auto_generated_enums.cpp
@@ -667,8 +667,8 @@ case LM_SPEED_DENSITY:
 }
 const char *getEngine_type_e(engine_type_e value){
 switch(value) {
-case ACURA_RSX:
-  return "ACURA_RSX";
+case ISSUE_898:
+  return "ISSUE_898";
 case AUDI_AAN:
   return "AUDI_AAN";
 case BMW_E34:
diff --git a/firmware/controllers/algo/engine_configuration.cpp b/firmware/controllers/algo/engine_configuration.cpp
index 6734f72bcf..00112b38e4 100644
--- a/firmware/controllers/algo/engine_configuration.cpp
+++ b/firmware/controllers/algo/engine_configuration.cpp
@@ -1055,7 +1055,9 @@ void resetConfigurationExt(Logging * logger, configuration_callback_t boardCallb
 	case MRE_MIATA_NA6:
 		setMiataNA6_VAF_MRE(PASS_CONFIG_PARAMETER_SIGNATURE);
 		break;
-	case ACURA_RSX:
+	case ISSUE_898:
+		setIssue898(PASS_CONFIG_PARAMETER_SIGNATURE);
+		break;
 	case MINI_COOPER_R50:
 	case MINIMAL_PINS:
 		// all basic settings are already set in prepareVoidConfiguration(), no need to set anything here
diff --git a/firmware/controllers/algo/rusefi_enums.h b/firmware/controllers/algo/rusefi_enums.h
index 213974f073..d9e8fb16e5 100644
--- a/firmware/controllers/algo/rusefi_enums.h
+++ b/firmware/controllers/algo/rusefi_enums.h
@@ -106,7 +106,10 @@ typedef enum {
 
 	TEST_ENGINE = 26,
 
-	ACURA_RSX = 27,
+	// used by unit test
+	// see https://github.com/rusefi/rusefi/issues/898
+	// see TriggerShape::bothFrontsRequired
+	ISSUE_898 = 27,
 
 	MAZDA_626 = 28,
 
diff --git a/firmware/controllers/engine_controller.cpp b/firmware/controllers/engine_controller.cpp
index ef68ee14c5..2f431f9cfb 100644
--- a/firmware/controllers/engine_controller.cpp
+++ b/firmware/controllers/engine_controller.cpp
@@ -812,6 +812,6 @@ int getRusEfiVersion(void) {
 	if (initBootloader() != 0)
 		return 123;
 #endif /* EFI_BOOTLOADER_INCLUDE_CODE */
-	return 20190806;
+	return 20190808;
 }
 #endif /* EFI_UNIT_TEST */
diff --git a/unit_tests/tests/test_issue_898.cpp b/unit_tests/tests/test_issue_898.cpp
index d18216209d..fa23412712 100644
--- a/unit_tests/tests/test_issue_898.cpp
+++ b/unit_tests/tests/test_issue_898.cpp
@@ -15,7 +15,7 @@ static void boardConfigurationForIssue898(engine_configuration_s *engineConfigur
 }
 
 TEST(issues, issue898) {
-	EngineTestHelper eth(MRE_MIATA_NA6, &boardConfigurationForIssue898);
+	EngineTestHelper eth(ISSUE_898, &boardConfigurationForIssue898);
 	EXPAND_EngineTestHelper;
 
 	ASSERT_EQ(TRUE, engine->triggerCentral.triggerShape.shapeDefinitionError) << "MRE_MIATA_NA6 shapeDefinitionError";