1 files changed, 1 insertions, 1 deletions

diff --git a/lib/Numeric/GSL/Fitting.hs b/lib/Numeric/GSL/Fitting.hs
index 79db23f..e5d0fd5 100644
--- a/lib/Numeric/GSL/Fitting.hs
+++ b/lib/Numeric/GSL/Fitting.hs
@@ -90,7 +90,7 @@ nlFitGen m f jac xiv epsabs epsrel maxit = unsafePerformIO $ do
     freeHaskellFunPtr jp
     return (subVector 2 p sol, path)
 
-foreign import ccall "nlfit"
+foreign import ccall unsafe "nlfit"
     c_nlfit:: CInt -> FunPtr TVV -> FunPtr TVM -> Double -> Double -> CInt -> CInt -> TVM
 
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