diff --git a/mex/build/korderpert.am b/mex/build/korderpert.am
index b54fd7104..b984dd58a 100644
--- a/mex/build/korderpert.am
+++ b/mex/build/korderpert.am
@@ -10,7 +10,7 @@ DEFS += -DPOSIX_THREADS
 
 CXXFLAGS += $(PTHREAD_CFLAGS)
 
-LIBS += $(LIBADD_DLOPEN)
+LIBS += $(PTHREAD_LIBS) $(LIBADD_DLOPEN)
 
 KORD_SRCS = \
 	faa_di_bruno.cpp \
diff --git a/mex/build/korderpert/tests/Makefile.am b/mex/build/korderpert/tests/Makefile.am
index a6369330b..e51fa7b7b 100644
--- a/mex/build/korderpert/tests/Makefile.am
+++ b/mex/build/korderpert/tests/Makefile.am
@@ -16,4 +16,4 @@ LDFLAGS += -Wl,-rpath,$(MATLAB)/bin/$(MATLAB_ARCH)
 
 nodist_k_order_test_main_SOURCES = k_order_test_main.cpp
 
-k_order_test_main_LDADD = ../matlab/libkorderpert.a $(MATLAB_LIBS) $(LIBADD_DLOPEN)
+k_order_test_main_LDADD = ../matlab/libkorderpert.a $(MATLAB_LIBS) $(PTHREAD_LIBS) $(LIBADD_DLOPEN)
diff --git a/mex/sources/korderpert/dynamic_dll.h b/mex/sources/korderpert/dynamic_dll.h
index 20267e8c1..c96ad12e3 100644
--- a/mex/sources/korderpert/dynamic_dll.h
+++ b/mex/sources/korderpert/dynamic_dll.h
@@ -30,9 +30,6 @@
 # else
 #  define K_ORDER_PERTURBATION_API __declspec(dllimport)
 # endif
-
-# include "stdafx.h"
-
 #else
 # include <dlfcn.h> // unix/linux DLL (.so) handling routines
 #endif