diff --git a/example/Plot/2_PSE_convergence/Makefile b/example/Plot/2_PSE_convergence/Makefile
index dc8875a8aa44e80bcae2a88ff4270e4049865b6b..93559efaca0d5cbe5c7f095888e9cc61632d658c 100644
--- a/example/Plot/2_PSE_convergence/Makefile
+++ b/example/Plot/2_PSE_convergence/Makefile
@@ -18,7 +18,7 @@ LDIR =
 #all: conv_p
 
 run: #all
-	source $$HOME/openfpm_vars;# ./conv_p
+#	source $$HOME/openfpm_vars;# ./conv_p
 
 #.PHONY: clean all run