diff --git a/src/build/makedep.c b/src/build/makedep.c
index 51cb1a0cc6d..3990b3318d7 100644
--- a/src/build/makedep.c
+++ b/src/build/makedep.c
@@ -138,6 +138,11 @@ int main(int argc, char *argv[])
 			(*excpathhead)->pathlen = (*excpathhead)->path.len();
 			excpathhead = &(*excpathhead)->next;
 		}
+		
+		else if (arg[0] == '-' && arg[1] == 'F')
+		{
+			argnum++;
+		}
 
 		// ignore -include which is used by sdlmame to include sdlprefix.h before all other includes
 		else if (strcmp(arg,"-include") == 0)