diff --git a/fuzzers/037-iob-pips/Makefile b/fuzzers/037-iob-pips/Makefile
index f1fdbf2b..18f94fbb 100644
--- a/fuzzers/037-iob-pips/Makefile
+++ b/fuzzers/037-iob-pips/Makefile
@@ -3,7 +3,7 @@ PIP_TYPE?=ioi3
 PIPLIST_TCL=$(FUZDIR)/ioi3_pip_list.tcl
 
 TODO_RE=".*"
-EXCLUDE_RE=".*((PHASER)|(CLKDIVF)|(CLKDIVP)|(CLKDIVB)|(IOI_ILOGIC[01]_O)|(IOI_OLOGIC[01]_CLKB?\.)|(IOI_IMUX_RC)|(IOI_OLOGIC[01]_[OT]FB)|(OCLKM.*IMUX31)|(IOI_ILOGIC0_CLKB\.IOI_IMUX22_1)).*"
+EXCLUDE_RE=".*((PHASER)|(CLKDIVF)|(CLKDIVP)|(CLKDIVB)|(IOI_ILOGIC[01]_O)|(IOI_OLOGIC[01]_CLKB?\.)|(IOI_IMUX_RC)|(IOI_OLOGIC[01]_[OT]FB)|(OCLKM.*IMUX31)|(IOI_ILOGIC[01]_CLKB\.IOI_IMUX22_[01])).*"
 
 MAKETODO_FLAGS=--pip-type ${PIP_TYPE} --seg-type $(PIP_TYPE) --re $(TODO_RE) --sides "xr,xl" --exclude-re $(EXCLUDE_RE)
 N = 40
diff --git a/fuzzers/int_maketodo.py b/fuzzers/int_maketodo.py
index 2cc98535..a2b651ae 100644
--- a/fuzzers/int_maketodo.py
+++ b/fuzzers/int_maketodo.py
@@ -118,6 +118,10 @@ def maketodo(
 
     todos, tile_type = load_pipfile(pipfile, verbose=verbose)
     verbose and print('%s: %u entries' % (pipfile, len(todos)))
+    if not todos:
+        verbose and print('%s: %u entries, done!' % (pipfile, len(todos)))
+        return
+
     verbose and print("pipfile todo sample: %s" % list(todos)[0])
 
     if 0 and verbose: