diff --git a/frontends/verific/verific.cc b/frontends/verific/verific.cc
index 5790e92f0..7a258c034 100644
--- a/frontends/verific/verific.cc
+++ b/frontends/verific/verific.cc
@@ -3693,6 +3693,18 @@ struct VerificPass : public Pass {
 		}
 
 #ifdef VERIFIC_SYSTEMVERILOG_SUPPORT
+		if (GetSize(args) > argidx && args[argidx] == "-set_relaxed_file_ext_modes") {
+			veri_file::RemoveFileExt(".v");
+			veri_file::AddFileExtMode(".v", veri_file::SYSTEM_VERILOG);
+			veri_file::AddFileExtMode(".vh", veri_file::SYSTEM_VERILOG);
+			veri_file::AddFileExtMode(".sv", veri_file::SYSTEM_VERILOG);
+			veri_file::AddFileExtMode(".sv1", veri_file::SYSTEM_VERILOG);
+			veri_file::AddFileExtMode(".svh", veri_file::SYSTEM_VERILOG);
+			veri_file::AddFileExtMode(".svp", veri_file::SYSTEM_VERILOG);
+			veri_file::AddFileExtMode(".h", veri_file::SYSTEM_VERILOG);
+			veri_file::AddFileExtMode(".inc", veri_file::SYSTEM_VERILOG);
+			continue;
+		}
 		if (GetSize(args) > argidx && (args[argidx] == "-f" || args[argidx] == "-F"))
 		{
 			unsigned verilog_mode = veri_file::UNDEFINED;