diff --git a/Makefile.common b/Makefile.common
index 8088d506935..a294df77ce6 100644
--- a/Makefile.common
+++ b/Makefile.common
@@ -218,7 +218,7 @@ Debug/%.o: %.cpp Debug/.dir Depend/.dir
 #	$(CompileGC) $< -o $@
 
 # Create a .cpp source file from a burg input file
-%.burm.cpp: Debug/%.burg
+%.burm.cpp: Debug/%.burg Debug/.dir
 	$(RunBurg) $< -o $@
 
 # Create a .cpp source file from a flex input file... this uses sed to cut down
diff --git a/Makefile.rules b/Makefile.rules
index 8088d506935..a294df77ce6 100644
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -218,7 +218,7 @@ Debug/%.o: %.cpp Debug/.dir Depend/.dir
 #	$(CompileGC) $< -o $@
 
 # Create a .cpp source file from a burg input file
-%.burm.cpp: Debug/%.burg
+%.burm.cpp: Debug/%.burg Debug/.dir
 	$(RunBurg) $< -o $@
 
 # Create a .cpp source file from a flex input file... this uses sed to cut down