diff --git a/src/TypeDef.h b/src/TypeDef.h
index 17ff288e..de6e06b6 100644
--- a/src/TypeDef.h
+++ b/src/TypeDef.h
@@ -616,9 +616,10 @@
 typedef unsigned long RadioLibTime_t;
 
 /*!
-  \brief Type used for radio-agnostic IRQ flags.
+  \brief Type used for radio-agnostic IRQ flags. IRQ to enable corresponds to the bit index (RadioLibIrq_t).
+  For example, if bit 0 is set, the module will enable its RADIOLIB_IRQ_TX_DONE (if it is supported).
 */
-typedef uint8_t RadioIrqFlags_t;
+typedef uint32_t RadioLibIrqFlags_t;
 
 /*!
   \}