diff --git a/net/kamailio-5.x/patches/150-erlang-fix-flags.patch b/net/kamailio-5.x/patches/150-erlang-fix-flags.patch
new file mode 100644
index 0000000..60ab4f2
--- /dev/null
+++ b/net/kamailio-5.x/patches/150-erlang-fix-flags.patch
@@ -0,0 +1,30 @@
+--- a/src/modules/erlang/Makefile
++++ b/src/modules/erlang/Makefile
+@@ -5,20 +5,21 @@ include ../../Makefile.defs
+ auto_gen=
+ NAME=erlang.so
+ 
+-ERLANG=$(shell which erl)
++# In OpenWrt Erlang resides in standard locations, no special flags required
++#ERLANG=$(shell which erl)
+ 
+ ifneq ($(ERLANG),)
+ ERLANG_LIBDIR=$(shell $(ERLANG) -noshell -eval 'io:format("~n~s/lib~n", [[code:lib_dir("erl_interface")]]).' -s erlang halt | tail -n 1)
+ ERLANG_INCDIR=$(shell $(ERLANG) -noshell -eval 'io:format("~n~s/include~n", [[code:lib_dir("erl_interface")]]).' -s erlang halt | tail -n 1)
+ endif
+ 
+-ifeq ($(ERLANG_LIBDIR)$(ERLANG_INCDIR),)
+-$(error Not found Erlang)
+-endif
++#ifeq ($(ERLANG_LIBDIR)$(ERLANG_INCDIR),)
++#$(error Not found Erlang)
++#endif
+ 
+-LIBS=-L$(ERLANG_LIBDIR) -lei -lpthread
++LIBS=-lei -lpthread
+ 
+-DEFS+=-I$(ERLANG_INCDIR)
++#DEFS+=-I$(ERLANG_INCDIR)
+ DEFS+=-D_REENTRANT
+ 
+