diff --git a/src/rtext.c b/src/rtext.c
index 1cffd3bb4..aa01e9015 100644
--- a/src/rtext.c
+++ b/src/rtext.c
@@ -1875,7 +1875,7 @@ char *TextInsert(const char *text, const char *insert, int position)
         result = (char *)RL_MALLOC(textLen + insertLen + 1);
 
         for (int i = 0; i < position; i++) result[i] = text[i];
-        for (int i = position; i < insertLen + position; i++) result[i] = insert[i];
+        for (int i = position; i < insertLen + position; i++) result[i] = insert[i - position];
         for (int i = (insertLen + position); i < (textLen + insertLen); i++) result[i] = text[i];
 
         result[textLen + insertLen] = '\0'; // Add EOL