diff --git a/cbmarcs.c b/cbmarcs.c
index 08d3e77..1d17785 100644
--- a/cbmarcs.c
+++ b/cbmarcs.c
@@ -2540,7 +2540,7 @@ int DirTAP(FILE *InFile, enum ArchiveTypes ArchiveType, struct ArcTotals *Totals
 /******************************************************************************
 * Array of functions to determine archive types
 ******************************************************************************/
-bool (* const TestFunctions[])() = {
+bool (* const TestFunctions[])(FILE *, const char *) = {
 	IsC64_ARC,
 	IsC64_10,
 	IsC64_13,
@@ -2585,7 +2585,8 @@ enum ArchiveTypes DetermineArchiveType(FILE *InFile, const char *FileName)
 /******************************************************************************
 * Array of functions to read archive directories
 ******************************************************************************/
-bool (* const DirFunctions[])() = {
+bool (* const DirFunctions[])(FILE *, enum ArchiveTypes, struct ArcTotals *,
+	DisplayStartFunc, DisplayEntryFunc) = {
 /* C64_ARC */	DirARC,
 /* C64_10 */ 	DirARC,
 /* C64_13 */ 	DirARC,