diff --git a/cmake/modules/QcaMacro.cmake b/cmake/modules/QcaMacro.cmake
--- a/cmake/modules/QcaMacro.cmake
+++ b/cmake/modules/QcaMacro.cmake
@@ -11,14 +11,14 @@
   ENDMACRO(QT4_GET_MOC_INC_DIRS)
 
   MACRO(SETUP_QT5_DIRS)
-    EXEC_PROGRAM( $<TARGET_FILE:Qt5::qmake> ARGS "-query QT_INSTALL_LIBS" OUTPUT_VARIABLE QT_LIBRARY_DIR )
-    EXEC_PROGRAM( $<TARGET_FILE:Qt5::qmake> ARGS "-query QT_INSTALL_PREFIX" OUTPUT_VARIABLE QT_PREFIX_DIR )
-    EXEC_PROGRAM( $<TARGET_FILE:Qt5::qmake> ARGS "-query QT_INSTALL_PLUGINS" OUTPUT_VARIABLE QT_PLUGINS_DIR )
-    EXEC_PROGRAM( $<TARGET_FILE:Qt5::qmake> ARGS "-query QT_INSTALL_BINS" OUTPUT_VARIABLE QT_BINARY_DIR )
-    EXEC_PROGRAM( $<TARGET_FILE:Qt5::qmake> ARGS "-query QT_INSTALL_HEADERS" OUTPUT_VARIABLE QT_HEADERS_DIR )
-    EXEC_PROGRAM( $<TARGET_FILE:Qt5::qmake> ARGS "-query QT_INSTALL_DOCS" OUTPUT_VARIABLE QT_DOC_DIR )
-    EXEC_PROGRAM( $<TARGET_FILE:Qt5::qmake> ARGS "-query QT_INSTALL_DATA" OUTPUT_VARIABLE QT_DATA_DIR )
-    EXEC_PROGRAM( $<TARGET_FILE:Qt5::qmake> ARGS "-query QT_HOST_DATA" OUTPUT_VARIABLE QT_ARCHDATA_DIR )
+    execute_process( COMMAND $<TARGET_FILE:Qt5::qmake> ARGS "-query QT_INSTALL_LIBS" OUTPUT_VARIABLE QT_LIBRARY_DIR )
+    execute_process( COMMAND $<TARGET_FILE:Qt5::qmake> ARGS "-query QT_INSTALL_PREFIX" OUTPUT_VARIABLE QT_PREFIX_DIR )
+    execute_process( COMMAND $<TARGET_FILE:Qt5::qmake> ARGS "-query QT_INSTALL_PLUGINS" OUTPUT_VARIABLE QT_PLUGINS_DIR )
+    execute_process( COMMAND $<TARGET_FILE:Qt5::qmake> ARGS "-query QT_INSTALL_BINS" OUTPUT_VARIABLE QT_BINARY_DIR )
+    execute_process( COMMAND $<TARGET_FILE:Qt5::qmake> ARGS "-query QT_INSTALL_HEADERS" OUTPUT_VARIABLE QT_HEADERS_DIR )
+    execute_process( COMMAND $<TARGET_FILE:Qt5::qmake> ARGS "-query QT_INSTALL_DOCS" OUTPUT_VARIABLE QT_DOC_DIR )
+    execute_process( COMMAND $<TARGET_FILE:Qt5::qmake> ARGS "-query QT_INSTALL_DATA" OUTPUT_VARIABLE QT_DATA_DIR )
+    execute_process( COMMAND $<TARGET_FILE:Qt5::qmake> ARGS "-query QT_HOST_DATA" OUTPUT_VARIABLE QT_ARCHDATA_DIR )
     SET( QT_MKSPECS_DIR "${QT_ARCHDATA_DIR}/mkspecs" )
   ENDMACRO(SETUP_QT5_DIRS)
 ELSE (Qt5Core_FOUND)