Slight mistake in isCharged

cdk · May 28, 2021 · f89de71 · f89de71
1 parent ccf5fc6
commit f89de71
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/base/core/src/main/java/org/openscience/cdk/atomtype/CDKAtomTypeMatcher.java b/base/core/src/main/java/org/openscience/cdk/atomtype/CDKAtomTypeMatcher.java
@@ -552,7 +552,7 @@ private IAtomType perceiveOxygenRadicals(IAtomContainer atomContainer, IAtom ato
     }
 
     private boolean isCharged(IAtom atom) {
-        return atom.getFormalCharge() != 0 && atom.getFormalCharge() != 0;
+        return atom.getFormalCharge() != null && atom.getFormalCharge() != 0;
     }
 
     private boolean isCharge(IAtom atom, int q) {