diff --git a/naga/src/valid/function.rs b/naga/src/valid/function.rs
index eb74ca237b..454715bd86 100644
--- a/naga/src/valid/function.rs
+++ b/naga/src/valid/function.rs
@@ -1140,10 +1140,10 @@ impl super::Validator {
                     };
 
                     // The `coordinate` operand must be a vector of the appropriate size.
-                    if !context
+                    if context
                         .resolve_type(coordinate, &self.valid_expression_set)?
                         .image_storage_coordinates()
-                        .is_some_and(|coord_dim| coord_dim == dim)
+                        .is_none_or(|coord_dim| coord_dim != dim)
                     {
                         return Err(FunctionError::InvalidImageStore(
                             ExpressionError::InvalidImageCoordinateType(dim, coordinate),