diff -up Kst-2.0.8/cmake/modules/KstMacros.cmake.properties Kst-2.0.8/cmake/modules/KstMacros.cmake
--- Kst-2.0.8/cmake/modules/KstMacros.cmake.properties	2014-04-07 10:11:03.000000000 -0600
+++ Kst-2.0.8/cmake/modules/KstMacros.cmake	2015-01-07 12:19:32.739898209 -0700
@@ -93,7 +93,9 @@ macro(kst_add_executable)
 	include_directories(${kst_${kst_name}_folder} ${CMAKE_CURRENT_BINARY_DIR})
 	add_executable(${kst_name} ${ARGN} ${kst_${kst_name}_sources} ${kst_${kst_name}_headers} ${kst_${kst_name}_info_files})
 	target_link_libraries(${kst_name} ${kst_qtmain_library})
-	set_property(TARGET ${kst_name} PROPERTY DEBUG_POSTFIX ${kst_debug_postfix})
+	if(kst_debug_postfix)
+		set_property(TARGET ${kst_name} PROPERTY DEBUG_POSTFIX ${kst_debug_postfix})
+	endif()
 	kst_revision_add_dependency()
 	kst_flat_source_group(${kst_${kst_name}_headers} ${kst_${kst_name}_sources_not_generated})
 endmacro()
@@ -112,7 +114,9 @@ macro(kst_add_test _source_file)
 	add_executable(${kst_name} ${_source_file})
 	set_target_properties(${kst_name} PROPERTIES DEPEND ${_moced})
 	target_link_libraries(${kst_name} ${QT_QTTEST_LIBRARY})
-	set_property(TARGET ${kst_name} PROPERTY DEBUG_POSTFIX ${kst_debug_postfix})
+	if(kst_debug_postfix)
+		set_property(TARGET ${kst_name} PROPERTY DEBUG_POSTFIX ${kst_debug_postfix})
+	endif()
 	kst_link(${libcore} ${libmath} ${libapp} ${libwidgets} ${QT_QTTEST_LIBRARY})
 	if(kst_debug_postfix)
 		set_target_properties(${kst_name} PROPERTIES DEBUG_POSTFIX ${kst_debug_postfix})
@@ -162,7 +166,9 @@ macro(kst_add_library type)
 		kst_flat_source_group(${kst_${kst_name}_headers} ${kst_${kst_name}_sources_not_generated})
 	endif()
 	set(lib${kst_name_base} ${kst_name} CACHE STRING "actual ${kst_name} name" FORCE)
-	set_property(TARGET ${kst_name} PROPERTY DEBUG_POSTFIX ${kst_debug_postfix})
+	if(kst_debug_postfix)
+		set_property(TARGET ${kst_name} PROPERTY DEBUG_POSTFIX ${kst_debug_postfix})
+	endif()
 	set_target_properties(${kst_name} PROPERTIES VERSION ${kst_version} SOVERSION ${kst_version_major})
 	kst_revision_add_dependency()
 	if(WIN32)