diff --git a/src/modules/RF69/RF69.cpp b/src/modules/RF69/RF69.cpp
index 3044260c..5544ad5d 100644
--- a/src/modules/RF69/RF69.cpp
+++ b/src/modules/RF69/RF69.cpp
@@ -259,7 +259,7 @@ int16_t RF69::startReceive() {
   return(state);
 }
 
-int16_t RF69::startReceive(uint32_t timeout, uint16_t irqFlags, uint16_t irqMask, size_t len) {
+int16_t RF69::startReceive(uint32_t timeout, uint32_t irqFlags, uint32_t irqMask, size_t len) {
   (void)timeout;
   (void)irqFlags;
   (void)irqMask;
diff --git a/src/modules/RF69/RF69.h b/src/modules/RF69/RF69.h
index 9eda1d88..40b78076 100644
--- a/src/modules/RF69/RF69.h
+++ b/src/modules/RF69/RF69.h
@@ -707,7 +707,7 @@ class RF69: public PhysicalLayer {
       \param len Ignored.
       \returns \ref status_codes
     */
-    int16_t startReceive(uint32_t timeout, uint16_t irqFlags, uint16_t irqMask, size_t len);
+    int16_t startReceive(uint32_t timeout, uint32_t irqFlags, uint32_t irqMask, size_t len);
 
     /*!
       \brief Reads data received after calling startReceive method. When the packet length is not known in advance,