diff --git a/cmake/cupcake_add_executables.cmake b/cmake/cupcake_add_executables.cmake
index cc34897..f362ae4 100644
--- a/cmake/cupcake_add_executables.cmake
+++ b/cmake/cupcake_add_executables.cmake
@@ -29,7 +29,8 @@ function(cupcake_add_executables)
       #   | { target :: string, scope? :: PUBLIC | PRIVATE | INTERFACE }
       string(JSON type TYPE "${link}")
       if(type STREQUAL STRING)
-        set(target "${link}")
+        # A JSON string is already quoted.
+        set(target ${link})
         set(scope "PRIVATE")
       else()
         string(JSON target GET "${link}" target)
diff --git a/cmake/cupcake_add_libraries.cmake b/cmake/cupcake_add_libraries.cmake
index 8a513b5..00880b4 100644
--- a/cmake/cupcake_add_libraries.cmake
+++ b/cmake/cupcake_add_libraries.cmake
@@ -29,7 +29,8 @@ function(cupcake_add_libraries)
       #   | { target :: string, scope? :: PUBLIC | PRIVATE | INTERFACE }
       string(JSON type TYPE "${link}")
       if(type STREQUAL STRING)
-        set(target "${link}")
+        # A JSON string is already quoted.
+        set(target ${link})
         set(scope "PUBLIC")
       else()
         string(JSON target GET "${link}" target)
diff --git a/cmake/cupcake_add_tests.cmake b/cmake/cupcake_add_tests.cmake
index 1d3532b..55a101e 100644
--- a/cmake/cupcake_add_tests.cmake
+++ b/cmake/cupcake_add_tests.cmake
@@ -21,7 +21,8 @@ function(cupcake_add_tests)
       #   | { target :: string, scope? :: PUBLIC | PRIVATE | INTERFACE }
       string(JSON type TYPE "${link}")
       if(type STREQUAL STRING)
-        set(target "${link}")
+        # A JSON string is already quoted.
+        set(target ${link})
         set(scope "PRIVATE")
       else()
         string(JSON target GET "${link}" target)
diff --git a/cmake/cupcake_find_packages.cmake b/cmake/cupcake_find_packages.cmake
index 45f89d3..fe8fcb9 100644
--- a/cmake/cupcake_find_packages.cmake
+++ b/cmake/cupcake_find_packages.cmake
@@ -14,7 +14,8 @@ function(cupcake_find_packages group)
     # Select only imports whose `groups` (default: `["main"]`) contain `group`.
     cupcake_json_get(groups ARRAY "[\"main\"]" "${import}" groups)
     cupcake_json_to_list(groups "${groups}")
-    list(FIND groups "${group}" i)
+    # Group names are quoted JSON strings in the list.
+    list(FIND groups "\"${group}\"" i)
     if(i LESS 0)
       continue()
     endif()
diff --git a/cmake/cupcake_json.cmake b/cmake/cupcake_json.cmake
index 9b59603..a15ff53 100644
--- a/cmake/cupcake_json.cmake
+++ b/cmake/cupcake_json.cmake
@@ -26,6 +26,11 @@ function(cupcake_json_to_list variable array)
     math(EXPR stop "${count} - 1")
     foreach(i RANGE ${stop})
       string(JSON item GET "${array}" ${i})
+      string(JSON type TYPE "${array}" ${i})
+      if(type STREQUAL STRING)
+        # CMake automatically unquotes JSON strings. Re-quote them here.
+        set(item "\"${item}\"")
+      endif()
       list(APPEND list "${item}")
     endforeach()
   endif()
@@ -37,3 +42,15 @@ function(cupcake_json_get_list variable json)
   cupcake_json_to_list(list "${list}")
   set(${variable} "${list}" PARENT_SCOPE)
 endfunction()
+
+# Unquote all strings in a list.
+# unquote(variable [string...])
+function(cupcake_unquote variable)
+  foreach(string ${ARGN})
+    if(string MATCHES "^\"(.*)\"$")
+      set(string "${CMAKE_MATCH_1}")
+    endif()
+    string(APPEND list "${string}")
+  endforeach()
+  set(${variable} "${list}" PARENT_SCOPE)
+endfunction()
diff --git a/cmake/cupcake_link_libraries.cmake b/cmake/cupcake_link_libraries.cmake
index c98fa92..3873bcd 100644
--- a/cmake/cupcake_link_libraries.cmake
+++ b/cmake/cupcake_link_libraries.cmake
@@ -14,13 +14,15 @@ function(cupcake_link_libraries target scope group)
     # Select only imports whose `groups` (default: `["main"]`) contain `group`.
     cupcake_json_get(groups ARRAY "[\"main\"]" "${import}" groups)
     cupcake_json_to_list(groups "${groups}")
-    list(FIND groups "${group}" i)
+    # Group names are quoted JSON strings in the list.
+    list(FIND groups "\"${group}\"" i)
     if(i LESS 0)
       continue()
     endif()
     string(JSON name GET "${import}" name)
     cupcake_json_get(targets ARRAY "[\"${name}::${name}\"]" "${import}" targets)
     cupcake_json_to_list(targets "${targets}")
+    cupcake_unquote(targets "${targets}")
     target_link_libraries(${target} ${scope} ${targets})
   endforeach()
 endfunction()