1 files changed, 6 insertions, 2 deletions
diff --git a/engines/sci/engine/kstring.cpp b/engines/sci/engine/kstring.cpp
index 13ec1bfc88..69090c4335 100644
--- a/engines/sci/engine/kstring.cpp
+++ b/engines/sci/engine/kstring.cpp
@@ -151,9 +151,13 @@ reg_t kReadNumber(EngineState *s, int argc, reg_t *argv) {
 			source++;
 		}
 		while (*source) {
+			if ((*source < '0') || (*source > '9')) {
+				// TODO: this happens in lsl5 right in the intro -> we get '1' '3' 0xCD 0xCD 0xCD 0xCD 0xCD
+				//       find out why this happens and fix it
+				warning("Invalid character in kReadNumber input");
+				break;
+			}
 			result *= 10;
-			if ((*source < '0') || (*source > '9'))
-				error("Invalid character in kReadNumber input");
 			result += *source - 0x30;
 			source++;
 		}