diff --git a/src/main/target/common_defaults_post.h b/src/main/target/common_defaults_post.h
index 5f23387325..30c056be46 100644
--- a/src/main/target/common_defaults_post.h
+++ b/src/main/target/common_defaults_post.h
@@ -525,8 +525,8 @@
 #if !defined(ADC4_DMA_OPT)
 #define ADC4_DMA_OPT (DMA_OPT_UNUSED)
 #endif
-#if !defined(ADC4_DMA_OPT)
-#define ADC4_DMA_OPT (-1)
+#if !defined(ADC5_DMA_OPT)
+#define ADC5_DMA_OPT (DMA_OPT_UNUSED)
 #endif
 
 #endif // USE_ADC