diff --git a/ChemistryLib/CMakeLists.txt b/ChemistryLib/CMakeLists.txt
index ac1a2f6dc5f22f59f3ce4b376e27c39f14f01d72..d9dda934505b3605a999a7bf1642a9a96f3407b0 100644
--- a/ChemistryLib/CMakeLists.txt
+++ b/ChemistryLib/CMakeLists.txt
@@ -2,6 +2,7 @@
 get_source_files(SOURCES)
 append_source_files(SOURCES PhreeqcIOData)
 append_source_files(SOURCES PhreeqcKernelData)
+append_source_files(SOURCES Common)
 
 # Create the library
 add_library(ChemistryLib ${SOURCES})