diff --git a/src/main/drivers/timer_def.h b/src/main/drivers/timer_def.h
index e2d09e9df..8579a180f 100644
--- a/src/main/drivers/timer_def.h
+++ b/src/main/drivers/timer_def.h
@@ -112,17 +112,21 @@
 
 #ifdef REMAP_TIM16_DMA
 #define DEF_TIM_DMA__TIM16_CH1   DMA1_CH6
+#define DEF_TIM_DMA__TIM16_CH1N  DMA1_CH6
 #define DEF_TIM_DMA__TIM16_UP    DMA1_CH6
 #else
 #define DEF_TIM_DMA__TIM16_CH1   DMA1_CH3
+#define DEF_TIM_DMA__TIM16_CH1N  DMA1_CH3
 #define DEF_TIM_DMA__TIM16_UP    DMA1_CH3
 #endif
 
 #ifdef REMAP_TIM17_DMA
 #define DEF_TIM_DMA__TIM17_CH1   DMA1_CH7
+#define DEF_TIM_DMA__TIM17_CH1N  DMA1_CH7
 #define DEF_TIM_DMA__TIM17_UP    DMA1_CH7
 #else
 #define DEF_TIM_DMA__TIM17_CH1   DMA1_CH1
+#define DEF_TIM_DMA__TIM17_CH1N  DMA1_CH1
 #define DEF_TIM_DMA__TIM17_UP    DMA1_CH1
 #endif
 
diff --git a/src/main/target/SIRINFPV/target.c b/src/main/target/SIRINFPV/target.c
index 4064c10e6..377de10b8 100644
--- a/src/main/target/SIRINFPV/target.c
+++ b/src/main/target/SIRINFPV/target.c
@@ -25,13 +25,13 @@
 #include "drivers/dma.h"
 
 const timerHardware_t timerHardware[USABLE_TIMER_CHANNEL_COUNT] = {
-    DEF_TIM(TIM4, CH1, PB6,  TIM_USE_MOTOR, 1), // PWM1 - PB6
-    DEF_TIM(TIM4, CH2, PB7,  TIM_USE_MOTOR, 1), // PWM2 - PB6
-    DEF_TIM(TIM4, CH3, PB8,  TIM_USE_MOTOR, 1), // PWM3 - PB8
-    DEF_TIM(TIM4, CH4, PB9,  TIM_USE_MOTOR, 1), // PWM4 - PB9
-    DEF_TIM(TIM3, CH3, PB0,  TIM_USE_MOTOR, 1), // PWM5 - PB0  - *TIM3_CH3
-    DEF_TIM(TIM3, CH4, PB1,  TIM_USE_MOTOR, 1), // PWM6 - PB1  - *TIM3_CH4
-    DEF_TIM(TIM2, CH4, PB11, TIM_USE_PPM,   0), // RC_CH3 - PB11 - *TIM2_CH4, USART3_RX (AF7)y
+    DEF_TIM(TIM2, CH4, PB11, TIM_USE_PPM,                 TIMER_INPUT_ENABLED), // RC_CH3 - PB11 - *TIM2_CH4, USART3_RX (AF7)
+    DEF_TIM(TIM16,CH1N,PB6,  TIM_USE_MOTOR,               TIMER_OUTPUT_ENABLED | TIMER_OUTPUT_INVERTED), // PWM1 - PB6
+    DEF_TIM(TIM3, CH4, PB7,  TIM_USE_MOTOR,               TIMER_OUTPUT_ENABLED), // PWM2 - PB6
+    DEF_TIM(TIM8, CH2, PB8,  TIM_USE_MOTOR,               TIMER_OUTPUT_ENABLED), // PWM3 - PB8
+    DEF_TIM(TIM17,CH1, PB9,  TIM_USE_MOTOR,               TIMER_OUTPUT_ENABLED), // PWM4 - PB9
+    DEF_TIM(TIM3, CH3, PB0,  TIM_USE_MOTOR,               TIMER_OUTPUT_ENABLED), // PWM5 - PB0  - *TIM3_CH3
+    DEF_TIM(TIM3, CH4, PB1,  TIM_USE_MOTOR,               TIMER_OUTPUT_ENABLED), // PWM6 - PB1  - *TIM3_CH4
 };
 
 
diff --git a/src/main/target/SIRINFPV/target.h b/src/main/target/SIRINFPV/target.h
index 819dca69c..144e5dbd1 100644
--- a/src/main/target/SIRINFPV/target.h
+++ b/src/main/target/SIRINFPV/target.h
@@ -95,6 +95,9 @@
 #define SPI3_MISO_PIN           PB4
 #define SPI3_MOSI_PIN           PB5
 
+#define REMAP_TIM16_DMA
+#define REMAP_TIM17_DMA
+
 #define USE_MAX7456
 #define MAX7456_SPI_INSTANCE    SPI3
 #define MAX7456_SPI_CS_PIN      PA15