diff --git a/srcpkgs/iverilog/template b/srcpkgs/iverilog/template
index fbafb9e0df8..5aab5bc21f6 100644
--- a/srcpkgs/iverilog/template
+++ b/srcpkgs/iverilog/template
@@ -14,7 +14,8 @@ distfiles="https://github.com/steveicarus/iverilog/archive/v${version/./_}.tar.g
 checksum=f4ff7990ae9ed87fad0b486586b03f6902de0dfb9de5ecb07ef32c20487c7dc6
 
 only_for_archs="i686 i686-musl x86_64 x86_64-musl"
-nopie=yes
+
+CXXFLAGS='-Wimplicit-fallthrough=0'
 
 pre_configure() {
 	sh ./autoconf.sh