1 files changed, 1 insertions, 1 deletions
diff --git a/src/PJ_wag7.cpp b/src/PJ_wag7.cpp
index 2009e672..c8807f12 100644
--- a/src/PJ_wag7.cpp
+++ b/src/PJ_wag7.cpp
@@ -24,7 +24,7 @@ static XY s_forward (LP lp, PJ *P) {           /* Spheroidal, forward */
 
 PJ *PROJECTION(wag7) {
     P->fwd = s_forward;
-    P->inv = 0;
+    P->inv = nullptr;
     P->es = 0.;
     return P;
 }