diff --git a/SheepShaver/src/Unix/main_unix.cpp b/SheepShaver/src/Unix/main_unix.cpp
index f8516e1a..406c76b6 100644
--- a/SheepShaver/src/Unix/main_unix.cpp
+++ b/SheepShaver/src/Unix/main_unix.cpp
@@ -598,6 +598,8 @@ int main(int argc, char **argv)
 					CPUClockSpeed = value;
 				else if (sscanf(line, "%[ |]\"bus-frequency\" = <%x>", head, &value) == 2)
 					BusClockSpeed = value;
+				else if (sscanf(line, "%[ |]\"timebase-frequency\" = <%x>", head, &value) == 2)
+					TimebaseSpeed = value;
 				else if (strchr(line, '}'))
 					powerpc_node = false;
 			}