diff --git a/indoc/Tests/indoc.intest b/indoc/Tests/indoc.intest
index a70f40509..97f64ea2a 100644
--- a/indoc/Tests/indoc.intest
+++ b/indoc/Tests/indoc.intest
@@ -1,9 +1,12 @@
 -cases indoc/Tests/Targets
 
 -recipe
+	mkdir: indoc/Tests/Targets
 
 	set: $I = indoc/Tests/Targets/$CASE-Ideal
 	set: $A = indoc/Tests/Targets/$CASE-Actual
+	mkdir: $I
+	mkdir: $A
 
 	step: rm -f $A/.DS_Store
 
diff --git a/inform7/Tests/inform7.intest b/inform7/Tests/inform7.intest
index 0ba9333f3..8b80354a1 100644
--- a/inform7/Tests/inform7.intest
+++ b/inform7/Tests/inform7.intest
@@ -65,6 +65,9 @@
 	mkdir: $WORK/Transient
 	step: find $WORK/Transient -mindepth 1 -delete
 
+	mkdir: $PATH/_Results_Actual
+	mkdir: $PATH/_Results_Ideal
+
 	if: $CASE PM_Map%c*
 		set: $I7OPTIONS = -format=$FORMAT -noprogress -fixtime -rng -sigils -clock -log nothing -external inform7/Tests -transient $WORK/Transient -internal $INTERNAL
 	else
@@ -159,6 +162,8 @@
 
 	mkdir: $WORK/Transient
 	step: find $WORK/Transient -mindepth 1 -delete
+	mkdir: $PATH/_Indices_Actual
+	mkdir: $PATH/_Indices_Ideal
 
 	step: $I7 `$I7OPTIONS -project $WORK/Example.inform >$I7CONSOLE 2>&1
 	or: 'failed with Problem message(s)' $I7CONSOLE
@@ -246,6 +251,8 @@
 
 	mkdir: $WORK/Transient
 	step: find $WORK/Transient -mindepth 1 -delete
+	mkdir: $PATH/_Maps_Actual
+	mkdir: $PATH/_Maps_Ideal
 
 	set: $I7OPTIONS = -format=ulx -noprogress -rng -sigils -clock -log nothing -external inform7/Tests -transient $WORK/Transient -internal $INTERNAL
 	set: $I7CONSOLE = $WORK/Example.inform/Build/i7_output.txt
@@ -293,6 +300,11 @@
 		set: $FORMAT		= z8
 	endif
 
+	mkdir: $PATH/_Inter_Binary
+	mkdir: $PATH/_Inter_Textual
+	mkdir: $PATH/_Inter_Actual
+	mkdir: $PATH/_Inter_Ideal
+
 	! Now we extract the source text from whatever file originated the test
 	! case: this is a non-trivial operation when the file is an Extension or
 	! an example, but is a simple copy operation otherwise.