diff --git a/component_failure_modes_definition/Makefile b/component_failure_modes_definition/Makefile
index fae8c9b..b6083fa 100644
--- a/component_failure_modes_definition/Makefile
+++ b/component_failure_modes_definition/Makefile
@@ -8,7 +8,8 @@ paper:	paper.tex component_failure_modes_definition_paper.tex
 	#latex paper.tex
 	#dvipdf paper     pdflatex cannot use eps ffs
 	pdflatex paper.tex
-	okular paper.pdf
+	mv paper.pdf component_failure_modes_definition_paper.pdf
+	okular component_failure_modes_definition_paper.pdf
 
 
 # Remove the need for referncing graphics in subdirectories
diff --git a/fzd/Makefile b/fzd/Makefile
index 9617acf..9a63bda 100644
--- a/fzd/Makefile
+++ b/fzd/Makefile
@@ -8,7 +8,8 @@ paper:	paper.tex fzd_paper.tex
 	#latex paper.tex
 	#dvipdf paper     pdflatex cannot use eps ffs
 	pdflatex paper.tex
-	okular paper.pdf
+	mv paper.pdf fzd_paper.pdf
+	okular fzd_paper.pdf
 
 
 # Remove the need for referncing graphics in subdirectories
diff --git a/logic_diagram/Makefile b/logic_diagram/Makefile
index 8e2eabd..bb6f264 100644
--- a/logic_diagram/Makefile
+++ b/logic_diagram/Makefile
@@ -8,7 +8,8 @@ paper:	paper.tex logic_diagram_paper.tex
 	#latex paper.tex
 	#dvipdf paper     pdflatex cannot use eps ffs
 	pdflatex paper.tex
-	okular paper.pdf
+	mv paper.pdf logic_diagram_paper.pdf
+	okular logic_diagram_paper.pdf
 
 
 # Remove the need for referncing graphics in subdirectories