diff --git a/net/rsplib/files/patch-src_randomizer.c b/net/rsplib/files/patch-src_randomizer.c
new file mode 100644
index 000000000000..667c7c707bdd
--- /dev/null
+++ b/net/rsplib/files/patch-src_randomizer.c
@@ -0,0 +1,47 @@
+--- src/randomizer.c.orig	2021-02-17 14:14:20 UTC
++++ src/randomizer.c
+@@ -32,13 +32,12 @@
+ #include <math.h>
+ #include <stdlib.h>
+ 
+-
++/*
+ #ifdef NDEBUG
+ #undef min
+ #undef max
+ #include <omnetpp.h>
+ #else
+-/*
+    It is tried to use /dev/urandom as random source first, since
+    it provides high-quality random numbers. If /dev/urandom is not
+    available, use the clib's random() function with a seed given
+@@ -56,7 +55,6 @@
+ 
+ static int   RandomSource = RS_TRY_DEVICE;
+ static FILE* RandomDevice = NULL;
+-#endif
+ 
+ 
+ 
+@@ -84,11 +82,13 @@ uint64_t random64()
+ /* ###### Get 32-bit random value ######################################## */
+ uint32_t random32()
+ {
++/*
+ #ifdef NDEBUG
+ #warning Using OMNeT++ random generator instead of time-seeded one!
+    const double value = uniform(0.0, (double)0xffffffff);
+    return((uint32_t)rint(value));
+ #else
++*/
+    uint32_t number;
+ 
+    switch(RandomSource) {
+@@ -116,7 +116,6 @@ uint32_t random32()
+       break;
+    }
+    return(random());
+-#endif
+ }
+ 
+