diff --git a/Source/RMG-Core/Config.hpp.in b/Source/RMG-Core/Config.hpp.in
index 67856249..396139ce 100644
--- a/Source/RMG-Core/Config.hpp.in
+++ b/Source/RMG-Core/Config.hpp.in
@@ -13,7 +13,7 @@
 #define CORE_VERSION "${GIT_VERSION}"
 
 #ifndef PORTABLE_INSTALL
-#define CORE_INSTAlL_PREFIX "${CMAKE_INSTALL_PREFIX}"
+#define CORE_INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}"
 #endif // PORTABLE_INSTALL
 
 #endif // CORE_CONFIG_HPP
diff --git a/Source/RMG-Core/Directories.cpp b/Source/RMG-Core/Directories.cpp
index 218508d8..4a9a4b84 100644
--- a/Source/RMG-Core/Directories.cpp
+++ b/Source/RMG-Core/Directories.cpp
@@ -123,7 +123,7 @@ std::filesystem::path CoreGetCoreDirectory(void)
 #ifdef PORTABLE_INSTALL
     directory = "Core";
 #else // Not Portable
-    directory = CORE_INSTAlL_PREFIX;
+    directory = CORE_INSTALL_PREFIX;
     directory += "/lib/RMG/Core";
 #endif // PORTABLE_INSTALL
     return directory;
@@ -135,7 +135,7 @@ std::filesystem::path CoreGetPluginDirectory(void)
 #ifdef PORTABLE_INSTALL
     directory = "Plugin";
 #else // Not Portable
-    directory = CORE_INSTAlL_PREFIX;
+    directory = CORE_INSTALL_PREFIX;
     directory += "/lib/RMG/Plugin";
 #endif // PORTABLE_INSTALL
     return directory;
@@ -233,7 +233,7 @@ std::filesystem::path CoreGetSharedDataDirectory(void)
 #ifdef PORTABLE_INSTALL
     directory = "Data";
 #else // Not Portable
-    directory = CORE_INSTAlL_PREFIX;
+    directory = CORE_INSTALL_PREFIX;
     directory += "/share/RMG";
 #endif // PORTABLE_INSTALL
     return directory;