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-rw-r--r--src/include/taler_testing_lib.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/include/taler_testing_lib.h b/src/include/taler_testing_lib.h
index b63bd8c67..694db70fe 100644
--- a/src/include/taler_testing_lib.h
+++ b/src/include/taler_testing_lib.h
@@ -190,9 +190,11 @@ struct TALER_TESTING_Interpreter
/**
* Instruction pointer. Tells #interpreter_run() which
- * instruction to run next.
+ * instruction to run next. Need (signed) int because
+ * it gets -1 when rewinding the interpreter to the first
+ * CMD.
*/
- unsigned int ip;
+ int ip;
/**
* Result of the testcases, #GNUNET_OK on success