diff --git a/tools/geos.pc.cmake b/tools/geos.pc.cmake
index 0a9df7fb..53f43d90 100644
--- a/tools/geos.pc.cmake
+++ b/tools/geos.pc.cmake
@@ -9,3 +9,4 @@ Requires:
 Version: @GEOS_VERSION@
 Cflags: -I${includedir}
 Libs: -L${libdir} -lgeos_c
+Libs.private: -lgeos
-- 
2.17.1