1 files changed, 4 insertions, 4 deletions
diff --git a/src/proj.h b/src/proj.h
index b378cd00..92515131 100644
--- a/src/proj.h
+++ b/src/proj.h
@@ -604,10 +604,10 @@ int PROJ_DLL proj_trans_bounds(
     PJ_CONTEXT* context,
     PJ *P,
     PJ_DIRECTION direction,
-    const double xmin,
-    const double ymin,
-    const double xmax,
-    const double ymax,
+    double xmin,
+    double ymin,
+    double xmax,
+    double ymax,
     double* out_xmin,
     double* out_ymin,
     double* out_xmax,