diff --git a/unit.c b/unit.c
index a5f4ac767..2f39d887f 100644
--- a/unit.c
+++ b/unit.c
@@ -44,7 +44,7 @@ UnitType unit_name_to_type(const char *n) {
         "0123456789"                            \
         "abcdefghijklmnopqrstuvwxyz"            \
         "ABCDEFGHIJKLMNOPQRSTUVWXYZ"            \
-        "-_"
+        "-_.\\"
 
 bool unit_name_is_valid(const char *n) {
         UnitType t;
diff --git a/unit.h b/unit.h
index a29c50ed9..5321d5f1a 100644
--- a/unit.h
+++ b/unit.h
@@ -23,7 +23,7 @@ typedef enum UnitDependency UnitDependency;
 #include "execute.h"
 #include "util.h"
 
-#define UNIT_NAME_MAX 32
+#define UNIT_NAME_MAX 128
 #define DEFAULT_TIMEOUT_USEC (20*USEC_PER_SEC)
 #define DEFAULT_RESTART_USEC (100*USEC_PER_MSEC)