diff --git a/Source/PeleLMeX.H b/Source/PeleLMeX.H
index c6ff4fa3..c8e345a4 100644
--- a/Source/PeleLMeX.H
+++ b/Source/PeleLMeX.H
@@ -1804,7 +1804,7 @@ public:
   int m_plotChemDiag = 0;
   int m_plotHeatRelease = 0;
   int m_plotStateSpec = 0;
-  int m_plotExtSource = 0;
+  bool m_plotExtSource = 0;
   int m_plot_int = 0;
   bool m_plot_overwrite = false;
   int m_plot_zeroEBcovered = 1;
diff --git a/Source/PeleLMeX_Forces.cpp b/Source/PeleLMeX_Forces.cpp
index fdc573a3..bbfd3e7e 100644
--- a/Source/PeleLMeX_Forces.cpp
+++ b/Source/PeleLMeX_Forces.cpp
@@ -244,7 +244,7 @@ PeleLM::addScalarDissipation(const TimeStamp& a_timestamp)
   BL_PROFILE("PeleLM::addScalarDissipationRate");
   // no scalar dissipation sources if not using a manifold model
 #ifndef USE_MANIFOLD_EOS
-  return;
+  amrex::ignore_unused(a_timestamp);
 #else
 
   // Dissipation source term for subfilter variances
diff --git a/Submodules/PelePhysics b/Submodules/PelePhysics
index c3c955f6..f523711a 160000
--- a/Submodules/PelePhysics
+++ b/Submodules/PelePhysics
@@ -1 +1 @@
-Subproject commit c3c955f65d730689e1ee7065312c02b6541f8a1a
+Subproject commit f523711a3bf579b9a8c82c53009ac8ddd428a7ef