diff --git a/src/fst/morphology/Makefile.am b/src/fst/morphology/Makefile.am
index fc41ce5..b7e1bf7 100644
--- a/src/fst/morphology/Makefile.am
+++ b/src/fst/morphology/Makefile.am
@@ -29,7 +29,7 @@ endif
 ####### Morphology source file defs: ########
 
 # Set this to name of lexc file containing Multichar_Symbols and LEXICON Root
-GT_LEXC_ROOT=$(srcdir)/root.lexc
+GT_LEXC_ROOT=root.lexc
 
 # Set this to the names of all regular lexc source files:
 GT_LEXC_SRCS_L1_L2=\