diff --git a/2006/sykes2/Makefile b/2006/sykes2/Makefile
index d1978f855..847a905fb 100644
--- a/2006/sykes2/Makefile
+++ b/2006/sykes2/Makefile
@@ -40,7 +40,8 @@ include ../../var.mk
 #
 CSILENCE= -Wno-bitwise-op-parentheses -Wno-char-subscripts -Wno-error \
 	-Wno-implicit-function-declaration -Wno-implicit-int -Wno-main \
-	-Wno-pedantic -Wno-deprecated-non-prototype
+	-Wno-pedantic -Wno-deprecated-non-prototype -Wno-unused-parameter \
+	-Wno-parentheses
 
 # Common C compiler warning flags
 #
diff --git a/2006/sykes2/sykes2.c b/2006/sykes2/sykes2.c
index 2e2ccaf1f..96cba09e6 100644
--- a/2006/sykes2/sykes2.c
+++ b/2006/sykes2/sykes2.c
@@ -1 +1 @@
-main(_){_^448&&main(-~_);putchar(--_%64?32|-~7[__TIME__-_/8%8][">'txiZ^(~z?"-48]>>";;;====~$::199"[_*2&8|_/64]/(_&2?1:8)%8&1:10);}
+main(_,v)char**v;{_^448&&main(-~_,v);putchar(--_%64?32|-~7[__TIME__-_/8%8][">'txiZ^(~z?"-48]>>";;;====~$::199"[_*2&8|_/64]/(_&2?1:8)%8&1:10);}
diff --git a/thanks-for-fixes.md b/thanks-for-fixes.md
index 53721d8f2..46661e7e4 100644
--- a/thanks-for-fixes.md
+++ b/thanks-for-fixes.md
@@ -3030,8 +3030,12 @@ it to the repo as well.
 
 ## [2006/sykes2](2006/sykes2/sykes2.c) ([README.md](2006/sykes2/README.md]))
 
-Cody added the [try.sh](2006/sykes2/try.sh) script for easier use of the entry
-to show the clock update in real time.
+Cody, out of an abundance of caution for `clang`'s defects, made `main()` have
+to args instead of 1 as some versions report that `main()` must have 0, 2 or 3
+args, even though at least one of those versions allows 1 arg only.
+
+Cody also added the [try.sh](2006/sykes2/try.sh) script for easier use of the
+entry to show the clock update in real time.
 
 
 ## [2006/toledo2](2006/toledo2/toledo2.c) ([README.md](2006/toledo2/README.md]))