diff --git a/src/Optimization/hiopAlgFilterIPM.cpp b/src/Optimization/hiopAlgFilterIPM.cpp
index 95745871..374f3e0c 100644
--- a/src/Optimization/hiopAlgFilterIPM.cpp
+++ b/src/Optimization/hiopAlgFilterIPM.cpp
@@ -81,17 +81,23 @@ namespace hiop
 {
 
 hiopAlgFilterIPMBase::hiopAlgFilterIPMBase(hiopNlpFormulation* nlp_in, const bool within_FR)
- : soc_dir(nullptr),
-   onenorm_pr_curr_{0.0},
-   c_soc(nullptr),
-   d_soc(nullptr),
-   within_FR_{within_FR},
-   pd_perturb_{nullptr},
-   fact_acceptor_{nullptr},
-   iter_num_(0),
-   iter_num_total_(0)
+  : nlp(nlp_in),
+    logbar(nullptr),
+    it_curr(nullptr),
+    it_trial(nullptr),
+    dir(nullptr),
+    soc_dir(nullptr),
+    resid(nullptr),
+    resid_trial(nullptr),
+    onenorm_pr_curr_(0.0),
+    c_soc(nullptr),
+    d_soc(nullptr),
+    within_FR_{within_FR},
+    iter_num_(0),
+    iter_num_total_(0),
+    pd_perturb_(nullptr),
+    fact_acceptor_(nullptr)
 {
-  nlp = nlp_in;
   //force completion of the nlp's initialization
   nlp->finalizeInitialization();
 }