fix if statement

diff --git a/run_make b/run_make
index 7049f93286fa3af94a1f5c8e871aec75e65235c2..e1faf355666c38513bf360c27cf6235d72792ac5 100755 (executable)
--- a/run_make
+++ b/run_make
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-if [ -z "$MAKE_TARGET" ]; then
+if [ -n "$MAKE_TARGET" ]; then
     make "$MAKE_TARGET";
 else
     make;