diff --git a/fuzzers/037-iob18-pips/Makefile b/fuzzers/037-iob18-pips/Makefile
index 69556789..cf3a0d3e 100644
--- a/fuzzers/037-iob18-pips/Makefile
+++ b/fuzzers/037-iob18-pips/Makefile
@@ -13,7 +13,7 @@ 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_ODELAY[01]_CLKIN.IOI_OCLK_[01]|RIOI_O[01].RIOI_ODELAY[01]_DATAOUT|RIOI_O[01].RIOI_OLOGIC[01]_OQ).*"
 
 MAKETODO_FLAGS=--pip-type ${PIP_TYPE} --seg-type $(PIP_TYPE) --re $(TODO_RE) --sides "xr" --exclude-re $(EXCLUDE_RE)
-N = 60
+N = 120
 
 SPECIMENS_DEPS=build/cmt_regions.csv