diff --git a/Makefile b/Makefile
index 97cefc6..5c5763e 100644
--- a/Makefile
+++ b/Makefile
@@ -77,6 +77,7 @@ DATE=$(shell LC_TIME=C date -d @$(SOURCE_DATE_EPOCH) '+%B %Y')
 FC        = gfortran
 LD        = gfortran
 FFLAGS   += -J$(OBJDIR) -I$(INCDIR) -ffree-line-length-none -fPIC -frecursive
+FFLAGS   += -Wfatal-errors
 LDFLAGS  += -L$(LIBDIR)
 CPPFLAGS += -DREVISION=\"$(GIT_REV)$(GIT_DIRTY)\" -DPREFIX=\"$(PREFIX)\"