1 files changed, 6 insertions, 2 deletions
diff --git a/Source/Particles/MultiParticleContainer.cpp b/Source/Particles/MultiParticleContainer.cpp
index 399d6bcbf..5b6cfedc0 100644
--- a/Source/Particles/MultiParticleContainer.cpp
+++ b/Source/Particles/MultiParticleContainer.cpp
@@ -559,9 +559,13 @@ MultiParticleContainer::getSpeciesID (std::string product_str)
             i_product = i;
         }
     }
-    AMREX_ALWAYS_ASSERT_WITH_MESSAGE(
+
+    WarpXUtilMsg::AlwaysAssert(
         found != 0,
-        "ERROR: could not find product species ID for ionization. Wrong name?");
+        "ERROR: could not find the ID of product species '"
+        + product_str + "'" + ". Wrong name?"
+    );
+
     return i_product;
 }