diff --git a/programming/misc/vigra/actions.py b/programming/misc/vigra/actions.py
index b2c7091e04..b330a39a0b 100644
--- a/programming/misc/vigra/actions.py
+++ b/programming/misc/vigra/actions.py
@@ -14,6 +14,7 @@ NoStrip=["/usr/share/doc"]
 def setup():
     cmaketools.configure("-DWITH_VIGRANUMPY=1 \
                           -DWITH_OPENEXR=1 \
+                          -DWITH_OPENEXR=true \
                           -DDOXYGEN_FOUND=0")
 
 def build():