diff --git a/pkg/semtech-loramac/patches/0002-adapt-utilities-to-riot.patch b/pkg/semtech-loramac/patches/0002-adapt-utilities-to-riot.patch
index da3d93773a..71583ea12e 100644
--- a/pkg/semtech-loramac/patches/0002-adapt-utilities-to-riot.patch
+++ b/pkg/semtech-loramac/patches/0002-adapt-utilities-to-riot.patch
@@ -1,4 +1,4 @@
-From 68f3239926462e04931b7bc71dc199ee776d37cb Mon Sep 17 00:00:00 2001
+From 6a902f4c2406aa9bf3286bb73a8116953b21257a Mon Sep 17 00:00:00 2001
 From: Alexandre Abadie <alexandre.abadie@inria.fr>
 Date: Mon, 6 Aug 2018 15:46:40 +0200
 Subject: [PATCH] Applying: patch utilities functions
@@ -9,7 +9,7 @@ Subject: [PATCH] Applying: patch utilities functions
  2 files changed, 6 insertions(+), 21 deletions(-)
 
 diff --git a/src/boards/mcu/utilities.c b/src/boards/mcu/utilities.c
-index d32d573..2d29f9d 100644
+index d32d5735..be141100 100644
 --- a/src/boards/mcu/utilities.c
 +++ b/src/boards/mcu/utilities.c
 @@ -22,7 +22,9 @@
@@ -34,7 +34,7 @@ index d32d573..2d29f9d 100644
  int32_t randr( int32_t min, int32_t max )
  {
 -    return ( int32_t )rand1( ) % ( max - min + 1 ) + min;
-+    return (int32_t) (random_uint32_range(0, max - min) + min);
++    return (min == max) ? min : (int32_t) (random_uint32_range(0, max - min) + min);
  }
  
  void memcpy1( uint8_t *dst, const uint8_t *src, uint16_t size )
@@ -60,7 +60,7 @@ index d32d573..2d29f9d 100644
  
  int8_t Nibble2HexChar( uint8_t a )
 diff --git a/src/boards/utilities.h b/src/boards/utilities.h
-index 8e0b028..9e226d4 100644
+index 8e0b0284..9e226d4a 100644
 --- a/src/boards/utilities.h
 +++ b/src/boards/utilities.h
 @@ -25,17 +25,6 @@
@@ -82,5 +82,5 @@ index 8e0b028..9e226d4 100644
   * \brief Returns the minimum value between a and b
   *
 -- 
-2.17.1
+2.20.1