diff --git a/mex/build/libdynare++.am b/mex/build/libdynare++.am
index 4ff70d65c..3f0029612 100644
--- a/mex/build/libdynare++.am
+++ b/mex/build/libdynare++.am
@@ -128,6 +128,7 @@ INTEG_SRCS = \
 	$(TOPDIR)/integ/cc/precalc_quadrature.hh
 
 UTILS_SRCS = \
+	$(TOPDIR)/utils/cc/exception.hh \
 	$(TOPDIR)/utils/cc/pascal_triangle.cc \
 	$(TOPDIR)/utils/cc/pascal_triangle.hh \
 	$(TOPDIR)/utils/cc/int_power.cc \