diff --git a/src/register.c b/src/register.c
index 93860ba..30e2001 100644
--- a/src/register.c
+++ b/src/register.c
@@ -1918,6 +1918,8 @@
 		    vim_memset(ptr, ' ', (size_t)spaces);
 		    ptr += spaces;
 		}
+		else
+		    totlen -= spaces;  // didn't use these spaces
 	    }
 
 	    // may insert some spaces after the new text
diff --git a/src/testdir/test_put.vim b/src/testdir/test_put.vim
index aa5aa2b..66438bd 100644
--- a/src/testdir/test_put.vim
+++ b/src/testdir/test_put.vim
Binary files differ
diff --git a/src/version.c b/src/version.c
index c2726aa..11fd817 100644
--- a/src/version.c
+++ b/src/version.c
@@ -736,6 +736,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    11,
+/**/
     10,
 /**/
     9,