diff --git a/CMakeLists.txt b/CMakeLists.txt
index 36eacbb7eb9964e076a230834f1415b38c86a3ab..1668fb5cb9957ffd06e25c92f95e4187053c436b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -149,6 +149,16 @@ find_library(
     HINTS ${FFTW_LIBRARY_DIRS})
 set(BFPS_LIBS ${FFTW_MPI} ${BFPS_LIBS})
 
+# hack for FFTW MPI libs
+find_library(
+  FFTWF_THREADS fftw3f_threads
+    HINTS ${FFTW_LIBRARY_DIRS})
+  set(BFPS_LIBS ${FFTWF_THREADS} ${BFPS_LIBS})
+find_library(
+  FFTW_THREADS fftw3_threads
+    HINTS ${FFTW_LIBRARY_DIRS})
+  set(BFPS_LIBS ${FFTW_THREADS} ${BFPS_LIBS})
+
 
 #####################################################################################
 ## Get the links and include from deps
diff --git a/cpp/fftw_tools.hpp b/cpp/fftw_tools.hpp
index b41cd2a453c2c0aa34f56febb17f2a650a2a9685..d83b60fc17f0c51f33a433e3407c0cbfeb1ad656 100644
--- a/cpp/fftw_tools.hpp
+++ b/cpp/fftw_tools.hpp
@@ -27,6 +27,7 @@
 #include <mpi.h>
 #include <fftw3-mpi.h>
 #include <map>
+#include <string>
 
 #ifndef FFTW_TOOLS