diff --git a/zzip/CMakeLists.txt b/zzip/CMakeLists.txt
index 28f03aa..6f34cc8 100644
--- a/zzip/CMakeLists.txt
+++ b/zzip/CMakeLists.txt
@@ -248,16 +248,16 @@ add_custom_command(OUTPUT libzzipmmapped.so.gcov
 add_custom_target(libzzipmmapped.gcov DEPENDS libzzipmmapped.so.gcov)
 endif()
 
-set_target_properties(libzzip PROPERTIES OUTPUT_NAME "zzip" RELEASE_POSTFIX "-${RELNUM}")
+set_target_properties(libzzip PROPERTIES OUTPUT_NAME "zzip")
 SET_TARGET_PROPERTIES(libzzip PROPERTIES VERSION ${VERNUM}.${FIXNUM} SOVERSION ${VERNUM})
 
 if(ZZIPFSEEKO)
-set_target_properties(libzzipfseeko PROPERTIES OUTPUT_NAME "zzipfseeko" RELEASE_POSTFIX "-${RELNUM}")
+set_target_properties(libzzipfseeko PROPERTIES OUTPUT_NAME "zzipfseeko")
 SET_TARGET_PROPERTIES(libzzipfseeko PROPERTIES VERSION ${VERNUM}.${FIXNUM} SOVERSION ${VERNUM})
 endif()
 
 if(ZZIPMMAPPED)
-set_target_properties(libzzipmmapped PROPERTIES OUTPUT_NAME "zzipmmapped" RELEASE_POSTFIX "-${RELNUM}")
+set_target_properties(libzzipmmapped PROPERTIES OUTPUT_NAME "zzipmmapped")
 SET_TARGET_PROPERTIES(libzzipmmapped PROPERTIES VERSION ${VERNUM}.${FIXNUM} SOVERSION ${VERNUM})
 endif()