diff --git a/src/dfmt.d b/src/dfmt.d
index f73f201..1809fed 100644
--- a/src/dfmt.d
+++ b/src/dfmt.d
@@ -204,6 +204,13 @@ private:
                 || currentIs(tok!"characterLiteral"))
         {
             writeToken();
+            if (index < tokens.length)
+            {
+                immutable t = tokens[index].type;
+                if (t == tok!"identifier" || isStringLiteral(t) || isNumberLiteral(t)
+						|| t == tok!"characterLiteral")
+                    write(" ");
+            }
         }
         else if (currentIs(tok!"module") || currentIs(tok!"import"))
         {
diff --git a/tests/allman/issue0111.d.ref b/tests/allman/issue0111.d.ref
new file mode 100644
index 0000000..1bb4f3d
--- /dev/null
+++ b/tests/allman/issue0111.d.ref
@@ -0,0 +1,8 @@
+struct Test
+{
+    this(string name, string[] aliasList, string briefDescription, string examDesc,
+        string onOpenDesc, string openDesc, string onCloseDesc, string closeDesc,
+        Flag!"canOpen" canOpen, Flag!"canClose" canClose, Flag!"isOpen" isOpen)
+    {
+    }
+}
diff --git a/tests/issue0111.d b/tests/issue0111.d
new file mode 100644
index 0000000..0684df6
--- /dev/null
+++ b/tests/issue0111.d
@@ -0,0 +1,11 @@
+struct Test {this(string             name,
+             string[]         aliasList,
+             string             briefDescription,
+             string             examDesc,
+             string             onOpenDesc,
+             string             openDesc,
+             string             onCloseDesc,
+             string             closeDesc,
+             Flag!"canOpen"  canOpen,
+             Flag!"canClose" canClose,
+             Flag!"isOpen"     isOpen){}}
diff --git a/tests/otbs/issue0111.d.ref b/tests/otbs/issue0111.d.ref
new file mode 100644
index 0000000..4019687
--- /dev/null
+++ b/tests/otbs/issue0111.d.ref
@@ -0,0 +1,6 @@
+struct Test {
+    this(string name, string[] aliasList, string briefDescription, string examDesc,
+        string onOpenDesc, string openDesc, string onCloseDesc, string closeDesc,
+        Flag!"canOpen" canOpen, Flag!"canClose" canClose, Flag!"isOpen" isOpen) {
+    }
+}