diff --git a/app/xenodm/config/Makefile.am b/app/xenodm/config/Makefile.am
index 5c50ca333..21c32d96e 100644
--- a/app/xenodm/config/Makefile.am
+++ b/app/xenodm/config/Makefile.am
@@ -50,7 +50,7 @@ CPP_FILES_FLAGS = -DBINDIR="$(bindir)" -DDEFAULTVT="$(DEFAULTVT)" \
     -DUTMP_FILE="$(UTMP_FILE)" -DWTMP_FILE="$(WTMP_FILE)" \
     -DXENODMDIR="$(XENODMLIBDIR)" -DXENODMLOGDIR="$(XENODMLOGDIR)" \
     -DXENODMXAUTHDIR="$(XENODMXAUTHDIR)" \
-    --DXENODMCONFIGDIR="$(XENODMCONFIGDIR)" \
+    -DXENODMCONFIGDIR="$(XENODMCONFIGDIR)" \
     -DXENODMSCRIPTDIR="$(XENODMSCRIPTDIR)" -DSU="$(SU)" \
     $(XPMDEFINES) -DSHELL_CMD="$(SHELL_CMD)" $(MKTEMP_DEFINES)
 
diff --git a/app/xenodm/config/Makefile.in b/app/xenodm/config/Makefile.in
index e917bd132..48174c86c 100644
--- a/app/xenodm/config/Makefile.in
+++ b/app/xenodm/config/Makefile.in
@@ -367,7 +367,7 @@ CPP_FILES_FLAGS = -DBINDIR="$(bindir)" -DDEFAULTVT="$(DEFAULTVT)" \
     -DUTMP_FILE="$(UTMP_FILE)" -DWTMP_FILE="$(WTMP_FILE)" \
     -DXENODMDIR="$(XENODMLIBDIR)" -DXENODMLOGDIR="$(XENODMLOGDIR)" \
     -DXENODMXAUTHDIR="$(XENODMXAUTHDIR)" \
-    --DXENODMCONFIGDIR="$(XENODMCONFIGDIR)" \
+    -DXENODMCONFIGDIR="$(XENODMCONFIGDIR)" \
     -DXENODMSCRIPTDIR="$(XENODMSCRIPTDIR)" -DSU="$(SU)" \
     $(XPMDEFINES) -DSHELL_CMD="$(SHELL_CMD)" $(MKTEMP_DEFINES)