diff --git a/include/util.h b/include/util.h
index e57ce0e..b33bd7e 100644
--- a/include/util.h
+++ b/include/util.h
@@ -4,4 +4,4 @@
 #include <glib.h>
 
 void string_remove_at(char *str, int pos);
-gchar *string_insert_char_at(gchar *str, gchar c, int pos);
\ No newline at end of file
+gchar *string_insert_chars_at(gchar *str, gchar *chars, int pos);
\ No newline at end of file
diff --git a/src/paint.c b/src/paint.c
index bb25f72..304729d 100644
--- a/src/paint.c
+++ b/src/paint.c
@@ -189,7 +189,7 @@ void paint_update_temporary_text(struct swappy_state *state,
         g_debug("received unicode: %d - utf8: %s (%d)", unicode, buffer, ll);
         g_debug("text before: %s - cursor: %d", text->text, text->cursor);
         char *new_text =
-            string_insert_char_at(text->text, buffer[0], text->cursor);
+            string_insert_chars_at(text->text, buffer, text->cursor);
         g_free(text->text);
         text->text = new_text;
         text->cursor++;
diff --git a/src/util.c b/src/util.c
index b363be6..3dc9695 100644
--- a/src/util.c
+++ b/src/util.c
@@ -8,22 +8,27 @@ void string_remove_at(gchar *str, int pos) {
   memmove(&str[pos], &str[pos + 1], strlen(str) - pos);
 }
 
-gchar *string_insert_char_at(gchar *str, gchar c, int pos) {
+gchar *string_insert_chars_at(gchar *str, gchar *chars, int pos) {
   gchar *new_str;
-  int n = strlen(str);
 
-  if (str) {
-    new_str = g_new(gchar, n + 1 + 1);  // one for the new char, one for the \0
+  if (str && chars) {
+    int n = strlen(str);
+    int m = strlen(chars);
+    int i = 0, j = 0;
 
-    for (int i = 0, j = 0; j < n + 1 || i < n; i++, j++) {
+    new_str = g_new(gchar, n + m + 1);
+
+    while (j < n + m) {
       if (j == pos) {
-        new_str[j] = c;
-        j++;
+        for (int k = 0; k < m; k++) {
+          new_str[j++] = chars[k];
+        }
+      } else {
+        new_str[j++] = str[i++];
       }
-      new_str[j] = str[i];
     }
 
-    new_str[n + 1] = str[n];
+    new_str[j] = '\0';
   } else {
     new_str = NULL;
   }