diff --git a/.gitignore b/.gitignore
index 3c5134b219..efda6a227e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,6 +6,7 @@ libnnpdf/nnprofile.yaml
 libnnpdf/scripts/nnpdf.pc
 libnnpdf/src/NNPDF/common.h
 libnnpdf/src/NNPDF/config.h
+evolven3fit/evolven3fit.cc
 
 # Created by https://www.gitignore.io/api/macos
 
diff --git a/libnnpdf/CMakeLists.txt b/libnnpdf/CMakeLists.txt
index 76f754b3b8..bdfb203a3a 100644
--- a/libnnpdf/CMakeLists.txt
+++ b/libnnpdf/CMakeLists.txt
@@ -3,6 +3,11 @@ set(exec_prefix "${prefix}")
 set(includedir "${prefix}/include")
 set(libdir "${prefix}/lib")
 
+configure_file(
+  "${PROJECT_SOURCE_DIR}/libnnpdf/src/NNPDF/config.h.in"
+  "${PROJECT_SOURCE_DIR}/libnnpdf/src/NNPDF/config.h"
+  )
+
 configure_file(
   "${PROJECT_SOURCE_DIR}/libnnpdf/scripts/nnpdf.pc.in"
   "${PROJECT_SOURCE_DIR}/libnnpdf/scripts/nnpdf.pc"