diff --git a/CMakeLists.txt b/CMakeLists.txt
index b278c1da3..84c4d3e08 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -59,13 +59,13 @@ function( add_pk3 PK3_NAME PK3_DIR )
 	string( REPLACE "." "_" PK3_TARGET ${PK3_NAME} )
 
 	if( NOT COMPILE_OUTPUT_OLDSTYLE )
-		add_custom_command( OUTPUT ${COMPILE_OUTPUT_DIECTRORY}/${PK3_NAME}
-			COMMAND zipdir -udf ${PK3_ZIPDIR_OPTIONS} ${COMPILE_OUTPUT_DIECTRORY}/${PK3_NAME} ${PK3_DIR}
-			COMMAND ${CMAKE_COMMAND} -E copy_if_different ${COMPILE_OUTPUT_DIECTRORY}/${PK3_NAME} $<TARGET_FILE_DIR:${PROJECT_NAME}>/${PK3_NAME}
+		add_custom_command( OUTPUT ${COMPILE_OUTPUT_DIRECTORY}/${PK3_NAME}
+			COMMAND zipdir -udf ${PK3_ZIPDIR_OPTIONS} ${COMPILE_OUTPUT_DIRECTORY}/${PK3_NAME} ${PK3_DIR}
+			COMMAND ${CMAKE_COMMAND} -E copy_if_different ${COMPILE_OUTPUT_DIRECTORY}/${PK3_NAME} $<TARGET_FILE_DIR:${PROJECT_NAME}>/${PK3_NAME}
 			DEPENDS zipdir )
 	else()
-		add_custom_command( OUTPUT ${COMPILE_OUTPUT_DIECTRORY}/${PK3_NAME}
-			COMMAND zipdir -udf ${PK3_ZIPDIR_OPTIONS} ${COMPILE_OUTPUT_DIECTRORY}/${PK3_NAME} ${PK3_DIR}
+		add_custom_command( OUTPUT ${COMPILE_OUTPUT_DIRECTORY}/${PK3_NAME}
+			COMMAND zipdir -udf ${PK3_ZIPDIR_OPTIONS} ${COMPILE_OUTPUT_DIRECTORY}/${PK3_NAME} ${PK3_DIR}
 			DEPENDS zipdir )
 	endif()
 	# Create a list of source files for this PK3, for use in the IDE
@@ -91,7 +91,7 @@ function( add_pk3 PK3_NAME PK3_DIR )
 	# rebuild each time since their dependency has "changed."
 	add_custom_target( ${PK3_TARGET} ALL
 		COMMAND ${CMAKE_COMMAND} -E touch $<TARGET_FILE:zipdir>
-		DEPENDS ${COMPILE_OUTPUT_DIECTRORY}/${PK3_NAME}
+		DEPENDS ${COMPILE_OUTPUT_DIRECTORY}/${PK3_NAME}
 		SOURCES ${PK3_SRCS})
 	# Phase 3: Assign source files to a nice folder structure in the IDE
 	assort_pk3_source_folder("Source Files" ${PK3_DIR})
@@ -122,10 +122,10 @@ IF( NOT CMAKE_BUILD_TYPE )
 		FORCE )
 ENDIF()
 
-set( COMPILE_OUTPUT_DIECTRORY ${CMAKE_BINARY_DIR} CACHE PATH "Directory where engine data and the executable will be created." )
+set( COMPILE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR} CACHE PATH "Directory where engine data and the executable will be created." )
 set( COMPILE_EXE_NAME ${PROJECT_NAME} CACHE FILEPATH "Name of the executable to create" )
 if( MSVC )
-	# Allow the user to use COMPILE_OUTPUT_DIECTRORY as a single release point.
+	# Allow the user to use COMPILE_OUTPUT_DIRECTORY as a single release point.
 	# Use different names for the various compile targets.
 	option( COMPILE_OUTPUT_OLDSTYLE "Don't use Release/Debug directories." OFF )
 else()
diff --git a/source/CMakeLists.txt b/source/CMakeLists.txt
index 5878d7be5..8a7ce61e2 100644
--- a/source/CMakeLists.txt
+++ b/source/CMakeLists.txt
@@ -1129,18 +1129,18 @@ add_dependencies( ${PROJECT_NAME} revision_check )
 if( NOT COMPILE_OUTPUT_OLDSTYLE )
 	# RUNTIME_OUTPUT_DIRECTORY does not exist in CMake 2.4.
 	# Linux distributions are slow to adopt 2.6. :(
-	set_target_properties( ${PROJECT_NAME} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${COMPILE_OUTPUT_DIECTRORY} )
+	set_target_properties( ${PROJECT_NAME} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${COMPILE_OUTPUT_DIRECTORY} )
 	set_target_properties( ${PROJECT_NAME} PROPERTIES OUTPUT_NAME ${PROJECT_NAME} )
 else()
 	set_target_properties( ${PROJECT_NAME} PROPERTIES
 		RUNTIME_OUTPUT_NAME ${PROJECT_NAME}
-		RUNTIME_OUTPUT_DIRECTORY_RELEASE ${COMPILE_OUTPUT_DIECTRORY}
+		RUNTIME_OUTPUT_DIRECTORY_RELEASE ${COMPILE_OUTPUT_DIRECTORY}
 		RUNTIME_OUTPUT_NAME_DEBUG ${PROJECT_NAME}d
-		RUNTIME_OUTPUT_DIRECTORY_DEBUG ${COMPILE_OUTPUT_DIECTRORY}
+		RUNTIME_OUTPUT_DIRECTORY_DEBUG ${COMPILE_OUTPUT_DIRECTORY}
 		RUNTIME_OUTPUT_NAME_MINSIZEREL ${PROJECT_NAME}msr
-		RUNTIME_OUTPUT_DIRECTORY_MINSIZEREL ${COMPILE_OUTPUT_DIECTRORY}
+		RUNTIME_OUTPUT_DIRECTORY_MINSIZEREL ${COMPILE_OUTPUT_DIRECTORY}
 		RUNTIME_OUTPUT_NAME_RELWITHDEBINFO ${PROJECT_NAME}rd
-		RUNTIME_OUTPUT_DIRECTORY_RELWITHDEBINFO ${COMPILE_OUTPUT_DIECTRORY}
+		RUNTIME_OUTPUT_DIRECTORY_RELWITHDEBINFO ${COMPILE_OUTPUT_DIRECTORY}
 	)
 endif()
 
@@ -1161,7 +1161,7 @@ if( MSVC )
 endif()
 
 if( NOT WIN32 AND NOT APPLE )
-	FILE( WRITE ${CMAKE_CURRENT_BINARY_DIR}/link-make "if [ ! -e ${COMPILE_OUTPUT_DIECTRORY}/${PROJECT_NAME} ]; then ln -sf ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME} ${COMPILE_OUTPUT_DIECTRORY}/${PROJECT_NAME}; fi" )
+	FILE( WRITE ${CMAKE_CURRENT_BINARY_DIR}/link-make "if [ ! -e ${COMPILE_OUTPUT_DIRECTORY}/${PROJECT_NAME} ]; then ln -sf ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME} ${COMPILE_OUTPUT_DIRECTORY}/${PROJECT_NAME}; fi" )
 	add_custom_command( TARGET ${PROJECT_NAME} POST_BUILD
 		COMMAND chmod +x ${CMAKE_CURRENT_BINARY_DIR}/link-make
 		COMMAND /bin/sh -c ${CMAKE_CURRENT_BINARY_DIR}/link-make )