diff --git a/src/plugins/qmakeprojectmanager/profilecompletionassist.cpp b/src/plugins/qmakeprojectmanager/profilecompletionassist.cpp
index 2ad37aee7f7..d83a5d5fc1c 100644
--- a/src/plugins/qmakeprojectmanager/profilecompletionassist.cpp
+++ b/src/plugins/qmakeprojectmanager/profilecompletionassist.cpp
@@ -238,28 +238,77 @@ static const char *const variableKeywords[] = {
 };
 
 static const char *const functionKeywords[] = {
+    "absolute_path",
     "basename",
+    "cache",
+    "cat",
+    "clean_path",
+    "clear",
+    "CONFIG",
     "contains",
     "count",
+    "debug",
+    "defined",
     "dirname",
+    "enumerate_vars",
+    "equals",
     "error",
-    "eval",
+    "escape_expand",
     "exists",
+    "export",
+    "eval",
+    "files",
     "find",
+    "first",
     "for",
+    "format_number",
+    "fromfile",
+    "getenv",
+    "greaterThan",
+    "if",
     "include",
     "infile",
+    "isActiveConfig",
     "isEmpty",
+    "isEqual",
+    "lessThan",
     "join",
+    "last",
+    "list",
+    "load",
+    "log",
+    "lower",
     "member",
     "message",
+    "mkpath",
     "packagesExist",
+    "parseJson",
     "prompt",
     "quote",
+    "relative_path",
     "replace",
+    "requires",
+    "resolve_depends",
+    "reverse",
+    "re_escape",
+    "section",
+    "shadowed",
+    "shell_path",
+    "shell_quote",
+    "size",
+    "split",
     "sprintf",
+    "sort_depends",
     "system",
+    "system_path",
+    "system_quote",
+    "title",
+    "touch",
     "unique",
+    "unset",
+    "upper",
+    "val_escape",
+    "write_file",
     "warning",
     0
 };