diff --git a/.guix/modules/ogs-package.scm b/.guix/modules/ogs-package.scm
index d26ba243da1..27e8bd8a128 100644
--- a/.guix/modules/ogs-package.scm
+++ b/.guix/modules/ogs-package.scm
@@ -240,7 +240,7 @@
             `(#:tests? #f)
         )))
 
-(define iphreeqc
+(define-public iphreeqc
       (package
         (name "iphreeqc")
         (synopsis "Modules Based on the Geochemical Model PHREEQC for use in scripting and programming languages")
diff --git a/scripts/cmake/Dependencies.cmake b/scripts/cmake/Dependencies.cmake
index 8d15989b3b7..d167e5e99d3 100644
--- a/scripts/cmake/Dependencies.cmake
+++ b/scripts/cmake/Dependencies.cmake
@@ -82,7 +82,7 @@ CPMFindPackage(
 
 if(_build_chemistry_lib)
     if(GUIX_BUILD)
-        find_library(IPhreeqc iphreeqc REQUIRED)
+        find_library(IPhreeqc NAMES iphreeqc IPhreeqcrwdi REQUIRED)
     else()
         CPMAddPackage(
             NAME iphreeqc GITHUB_REPOSITORY ufz/iphreeqc GIT_TAG 3.5.0-1